tag:blogger.com,1999:blog-92100828406215388312024-03-12T00:58:18.982-07:00Views of the MahantangoA thoroughly unprofessional look at the natural world beneath our feet.Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.comBlogger1078125tag:blogger.com,1999:blog-9210082840621538831.post-24175364416558311462020-09-08T15:39:00.065-07:002020-09-08T15:39:00.266-07:00Striatopora bellistriata coral from the Jeffersonville limestone<p>These next coral specimens from the Jeffersonville limestone near Louisville, KY I did not find myself but rather I purchased them from a seller on E-bay. Below are four small sections of what I believe are <i>Striatopora bellistriata</i>.</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioAteCdYOXhsFQtKtFIh72nS7Yxyo_iy-L0PoJ-57VIWlX8GCamCkBvkWBFVLkLgEOhs60zqtyPnHS004fdFjVr8N356mCDOLNV0HDQbH265x0JFCKruLargqzUlRyBTIvH0J6Ge_KXzie/s2000/IMG_8966.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioAteCdYOXhsFQtKtFIh72nS7Yxyo_iy-L0PoJ-57VIWlX8GCamCkBvkWBFVLkLgEOhs60zqtyPnHS004fdFjVr8N356mCDOLNV0HDQbH265x0JFCKruLargqzUlRyBTIvH0J6Ge_KXzie/s640/IMG_8966.jpg" width="640" /></a></div><p></p><p>While the specimens were sent to me with only a label stating <i>Striatopora sp</i>., I am fairly certain these are <i>S. bellistriata</i>. In Stumm's book "Silurian
and Devonian Corals of the Falls of the Ohio". I found only two reliable species listed on page 69 and plate 75. The first possible species,<i> S. cavernosa</i>, can be ruled out due to the description requiring that the:</p><p></p><blockquote>"Corallites ... opening almost at right angles to branches"</blockquote>The specimens I have do not show that growth habit. Instead the corallites open at an angle to the branches similar to Stumm's description of <i>S. bellistriata:</i> <p></p><p></p><blockquote> "Corallites opening obliquely to surface, 2-3mm in diameter. Calyx walls erect or slightly spreading..."</blockquote><p></p><p>There are three other species listed but they appear to have minor differences to <i>S. bellistriata</i> or are too poorly preserved to distinguish otherwise.<br /> </p><p>Here is a closer view of one of the coral sections.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieHfRRGSpXLk1GND4cEcURGnK3mU4X2u4pRDU83gNZW-r1HeOOcZzyBqxYrW3ohoAY7j4Ff3huybjodStahoI1uTHxmIfzk1dgE4y1fvnnNyEQeOJkkgVps30YqDdTBnZ4cEuPND_X8Kf7/s2000/IMG_8968.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieHfRRGSpXLk1GND4cEcURGnK3mU4X2u4pRDU83gNZW-r1HeOOcZzyBqxYrW3ohoAY7j4Ff3huybjodStahoI1uTHxmIfzk1dgE4y1fvnnNyEQeOJkkgVps30YqDdTBnZ4cEuPND_X8Kf7/s640/IMG_8968.jpg" width="640" /></a></div><p></p><p>And a couple of natural cross sections of the branches.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4J6WwXpobT5jRCYw9_cwib8PshKPNYeuWN85ZFxZ2TraqvHtIA9yl6JcjHgLypnPrlx690AGy8JiQFrr6BJIQ20HQY6h6TJNBltTSixQNtut7qRybL4VKl3IzVXIBmvUmhzbT0ryL2cxR/s2000/IMG_8970.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1515" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4J6WwXpobT5jRCYw9_cwib8PshKPNYeuWN85ZFxZ2TraqvHtIA9yl6JcjHgLypnPrlx690AGy8JiQFrr6BJIQ20HQY6h6TJNBltTSixQNtut7qRybL4VKl3IzVXIBmvUmhzbT0ryL2cxR/s640/IMG_8970.jpg" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjum8axqZFY4mSbKDMNd6pXJg9jp1Ut5WtEmdOkS2-F3BLHYSzXYtC8voHzUmhtN5nc2bIeHUeKFTagugyuV2nXAYXSGj_Yk5UKspvcJvETp10Oim-o-R7mkgsYa33zSPRU9iFfb1-h26ow/s2036/IMG_8972.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1658" data-original-width="2036" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjum8axqZFY4mSbKDMNd6pXJg9jp1Ut5WtEmdOkS2-F3BLHYSzXYtC8voHzUmhtN5nc2bIeHUeKFTagugyuV2nXAYXSGj_Yk5UKspvcJvETp10Oim-o-R7mkgsYa33zSPRU9iFfb1-h26ow/s640/IMG_8972.jpg" width="640" /></a></div><p></p><p>These specimens are from the Jeffersonville formation (Devonian, Eifelian stage) and come from near Louisville, KY </p><p>
References: Stumm, E. C. (1964). Silurian and Devonian corals of the
falls of the Ohio. New York: Geological Society of America. </p>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-19342370433692397942020-09-05T15:07:00.102-07:002020-09-05T15:07:00.626-07:00Emmonsia ramosa coral from the Jeffersonville limestone<p></p><p>Among the more common corals that I have found from the Jeffersonville formation near Louisville, KY are these <i>Emmonsia ramosa</i> specimens. I used the book by Erwin Charles Stumm; "Silurian
and Devonian Corals of the Falls of the Ohio". to help ID and found a possible match on pages 67-68, pl 70, fig. 1-3. Here are a number of similar looking specimens.<br /></p><p> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghz7yjdUtz9LyFqEPeqhEeJ4msHwLngoToANqtPKoHVznl0unyUHG5RQmfIDdAAvXICvQ2RwVP29V5e5LXN8WQDLQh3K6UwvjxqVG_f7XCtw4NwrwwHFpcBxT0fC41G7DbntWDzNrQnVch/s2000/IMG_8957.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1672" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEghz7yjdUtz9LyFqEPeqhEeJ4msHwLngoToANqtPKoHVznl0unyUHG5RQmfIDdAAvXICvQ2RwVP29V5e5LXN8WQDLQh3K6UwvjxqVG_f7XCtw4NwrwwHFpcBxT0fC41G7DbntWDzNrQnVch/s640/IMG_8957.jpg" width="640" /></a></p><p>Most of the specimens I have form finger or column like growths (like the those on the far left and far right of the photo above). Those seem to best fit Stumm's description for <i>Emmonsia ramosa</i>.</p><p></p><blockquote>"Corallum dendroid, growing in typical staghorn pattern with branches 1-3cm in diameter. Corallites opeing at right angles to surface of branch, polygonal, relatively thick walled, 1-2mm in diameter." </blockquote><p>Some of the pieces that look similar have differing growth patterns and corallites sizes so I will need to look at them more closely to see if I have other species.</p><p>Here are a few closer views of one of the pieces with better preservation. You can see some of the edges of the corallites have the squamulae (vertical line like growths that helped support the animal) preserved.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMEq0yJgmZgljJap7U_h2GltVjRfmXEc-5NESlolRT7A-fe522TyEW1oAzxKdhwExmoCNuiKXIz6-8kZDvTK4gpwZeV1Hr7RoUl1LdlbnkqpbVp-5KHrrIlq2vS-6G0chBoou_jomv0u5x/s2000/IMG_8959.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMEq0yJgmZgljJap7U_h2GltVjRfmXEc-5NESlolRT7A-fe522TyEW1oAzxKdhwExmoCNuiKXIz6-8kZDvTK4gpwZeV1Hr7RoUl1LdlbnkqpbVp-5KHrrIlq2vS-6G0chBoou_jomv0u5x/s640/IMG_8959.jpg" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2qVXpdz5cfO8zdHUJZxmgm5QtCIDb191gMMi83A-S_8xu8SBi1cwajViSqiPoLkhm-dWlWxKpjG7ojg7DLiHm0YXKQZM10pL3HHuzP72tqCiORoERdkZQUtEUySyluAroJjqaGE_OgnNF/s2000/IMG_8961.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2qVXpdz5cfO8zdHUJZxmgm5QtCIDb191gMMi83A-S_8xu8SBi1cwajViSqiPoLkhm-dWlWxKpjG7ojg7DLiHm0YXKQZM10pL3HHuzP72tqCiORoERdkZQUtEUySyluAroJjqaGE_OgnNF/s640/IMG_8961.jpg" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiCRTcCUdLkJYrX0pr_W-9aPPjE836hufaOXnxl66DAA0eVWKLY6dMK4xNqmNieg5zcz2b9EkL2ISftnZzI7e2V57JD-4cSoCfSbxN9CAopXuG9XfDkT033WYZYfT76BWs58YuIlFyqRZz-/s2000/IMG_8962.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiCRTcCUdLkJYrX0pr_W-9aPPjE836hufaOXnxl66DAA0eVWKLY6dMK4xNqmNieg5zcz2b9EkL2ISftnZzI7e2V57JD-4cSoCfSbxN9CAopXuG9XfDkT033WYZYfT76BWs58YuIlFyqRZz-/s640/IMG_8962.jpg" width="640" /></a></div><p></p><p>These next two pictures are views of natural cross sections through the coral.<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQ5L9L4Q1KInFAHkcILb63kX7OzE9bpXmcRzQDBNPO6ketiSG7Tg3_NIxQO3l7xzent7G_QuVV5ryWcdJduHVPZgsUt-KXFmRFqL10pq5iIl2DvQoRZgjypOO_ussCUezvfZqs9v089my2/s2000/IMG_8963.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1429" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQ5L9L4Q1KInFAHkcILb63kX7OzE9bpXmcRzQDBNPO6ketiSG7Tg3_NIxQO3l7xzent7G_QuVV5ryWcdJduHVPZgsUt-KXFmRFqL10pq5iIl2DvQoRZgjypOO_ussCUezvfZqs9v089my2/s640/IMG_8963.jpg" width="640" /></a></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2VvrEON-bY3QSTe2arKkR8JN8EEv3PikUSmPJKML8vVoMqIheQk_1ggtROgO1-rGJpacXR0ukrC663KCJiLxUW_1DTQHYhuvU6NMTNV5Qykni_L9CTqLRzRrOgctcbcaW5IPClPO_E-65/s2000/IMG_8964.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1546" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2VvrEON-bY3QSTe2arKkR8JN8EEv3PikUSmPJKML8vVoMqIheQk_1ggtROgO1-rGJpacXR0ukrC663KCJiLxUW_1DTQHYhuvU6NMTNV5Qykni_L9CTqLRzRrOgctcbcaW5IPClPO_E-65/s640/IMG_8964.jpg" width="640" /></a></div><p></p><p>I collected these specimens from the Jeffersonville formation (Devonian, Eifelian stage) near Louisville, KY </p><p>
References: Stumm, E. C. (1964). Silurian and Devonian corals of the
falls of the Ohio. New York: Geological Society of America. </p><p></p>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-41965087750129791912020-09-01T21:01:00.130-07:002020-09-01T21:01:00.215-07:00Brevispirifer gregarius brachiopod from the Jeffersonville limestone<p>Perhaps the most important brachiopod know from the Jeffersonville limestone formation in Kentucky is <i>Brevispirifer gregarius</i>. It is a common constituent of the formation and even has a zone within named after it due to the abundance of fossils. <i>B. gregarius</i> is a small Spiriferid type brachiopod that is roughly half moon shaped when viewing the dorsal surface of the brachial valve. The two valves are both convex with the pedicle valve a bit more than the brachial. The interarea of the pedicle valve is slightly recurved with a well defined "V" shaped foramen. The surface of both valves have coarse radiating ribs and a fold/sulcus feature.<br /></p>I've seen exposures of the <i>B. gregarius</i> zone in the Jeffersonville formation that is full of dis-articulated valves. Whole specimens can be found but are generally the exception rather than the rule. These diminutive brachiopods must have been densely packed on the seafloor to have so many shells be found. Interestingly I have only ever found the dis-articulated pedicle valves to be able to collect in the colluvium.<br /><p>Specimen #1 - Brachial valve with Beekite rings<br /></p><p> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOdILwzSCMw0DG4C2pk7uf5PQKkPo1BcY1kiYQc2U2ISh5UL7T6FpOlTjE5lm-dhpBKBil2sRbkrvvudEYVCwYyLjY6_EpSDLQyGpFUrPcJkGFm4PK7HxZLfEvVqpmnupcn-A3RBFSQ-jL/s2000/IMG_8945.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1590" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOdILwzSCMw0DG4C2pk7uf5PQKkPo1BcY1kiYQc2U2ISh5UL7T6FpOlTjE5lm-dhpBKBil2sRbkrvvudEYVCwYyLjY6_EpSDLQyGpFUrPcJkGFm4PK7HxZLfEvVqpmnupcn-A3RBFSQ-jL/s640/IMG_8945.jpg" width="640" /></a></p>Anterior<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWsr8CB6NxFubawlqdw12WbcuC6OoXOSmRPkdN6g0Nbcb5M_ih5Dr3pW0J0kRxAwIrUVbmW6xoJDLy2lStwTnI964VlQMY2nZGiD61oYosvvFIP2dcX4xkiuGzvqqCPmlaI7KX3t9MOmqJ/s2000/IMG_8946.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1563" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWsr8CB6NxFubawlqdw12WbcuC6OoXOSmRPkdN6g0Nbcb5M_ih5Dr3pW0J0kRxAwIrUVbmW6xoJDLy2lStwTnI964VlQMY2nZGiD61oYosvvFIP2dcX4xkiuGzvqqCPmlaI7KX3t9MOmqJ/s640/IMG_8946.jpg" width="640" /></a><br /><br />Pedicle valve<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQVm0IVj9UgxCO4aBQtv6Ga0BcFvUvVTNTbmyOD8A8MROcXRUa5DdUwKJRHn-T_xJkjBzzJ0AvwO2-Tzx5sS6Fsf0WHmCu0aBaI4HxyhFJNQCxYkoO4bgQJF50X-7gE5bqD7MjDPItcTcp/s2000/IMG_8947.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1588" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQVm0IVj9UgxCO4aBQtv6Ga0BcFvUvVTNTbmyOD8A8MROcXRUa5DdUwKJRHn-T_xJkjBzzJ0AvwO2-Tzx5sS6Fsf0WHmCu0aBaI4HxyhFJNQCxYkoO4bgQJF50X-7gE5bqD7MjDPItcTcp/s640/IMG_8947.jpg" width="640" /></a></div><p></p><p>Posterior view<br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHkrTQ7x_8Xejeq7xxPamRGmGyCRQGEfE00Tx7AO3n72Pu3qSnG-SjLDO0leWTB8rZvvNZ_VziEBNA-8a-bx-hrzNCzU6YothHa6OL6XpccqQ7BqRgtq0gZ_PlYw4i3Z7KnT-VCFCcXNt9/s2000/IMG_8948.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1600" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgHkrTQ7x_8Xejeq7xxPamRGmGyCRQGEfE00Tx7AO3n72Pu3qSnG-SjLDO0leWTB8rZvvNZ_VziEBNA-8a-bx-hrzNCzU6YothHa6OL6XpccqQ7BqRgtq0gZ_PlYw4i3Z7KnT-VCFCcXNt9/s640/IMG_8948.jpg" width="640" /></a><br /></p><div class="separator" style="clear: both; text-align: center;"> </div><div class="separator" style="clear: both; text-align: left;">Another posterior view with the shell rotated 180 degrees.<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDAPKs1IUNZbBbvGpFdAxnDrmXZiT17es_f-whpagCYfpb54p8MbhkYHcfyOVinErFuobQuDdKwx8FohvxXJNWphApWChQNL3AwvogdumGInVbkDasLWNCDyIs49KO4XRzxf91o4jZiBfV/s2000/IMG_8949.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1565" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDAPKs1IUNZbBbvGpFdAxnDrmXZiT17es_f-whpagCYfpb54p8MbhkYHcfyOVinErFuobQuDdKwx8FohvxXJNWphApWChQNL3AwvogdumGInVbkDasLWNCDyIs49KO4XRzxf91o4jZiBfV/s640/IMG_8949.jpg" width="640" /></a><br /></div><br />
<p>Specimen #2 - Brachial valve<br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhWHFoRx5hywVJL3hOmTjtOVtDHKV98fh75WHoBjgUlaGx_DTyuNF_atzF8MKHr25smfiJsFqtyaM3bKO_PHdGFpL-gfGnR9mMJ3qGQpG1Syvy79dX0gcD3NzilG3RDe2ORB7ih78yskW1o/s2000/IMG_8937.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1690" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhWHFoRx5hywVJL3hOmTjtOVtDHKV98fh75WHoBjgUlaGx_DTyuNF_atzF8MKHr25smfiJsFqtyaM3bKO_PHdGFpL-gfGnR9mMJ3qGQpG1Syvy79dX0gcD3NzilG3RDe2ORB7ih78yskW1o/s640/IMG_8937.jpg" width="640" /></a></p>Anterior <br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhy22bpSknLgMMxk0DCA9US7WsEJLdVKws8lgLkHyptyIyhTXU84CrT1RzecmDFAZ27BxwlrANB6ApIkzFam2U-MTJaeCwPEDsIyXuHyxNaJcHSdyGh50vWeWO77u_4L2YOrWFGoaX06TU0/s2000/IMG_8938.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1679" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhy22bpSknLgMMxk0DCA9US7WsEJLdVKws8lgLkHyptyIyhTXU84CrT1RzecmDFAZ27BxwlrANB6ApIkzFam2U-MTJaeCwPEDsIyXuHyxNaJcHSdyGh50vWeWO77u_4L2YOrWFGoaX06TU0/s640/IMG_8938.jpg" width="640" /></a></div><p><br />Pedicle valve<br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7DmzlLHLoze_LsSg2I-y3szLUP-veFFUhuZ2WP6VcvTUY2oAyIdHvkzoz0EVQLGO9mjm42F47a0I-hyOofV0pABJixreJfJQ2hc4aOI3PlK0LDW7W0cszOyLYn9pvZ0Dmv0Nx-AgUkjMp/s2000/IMG_8939.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1637" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7DmzlLHLoze_LsSg2I-y3szLUP-veFFUhuZ2WP6VcvTUY2oAyIdHvkzoz0EVQLGO9mjm42F47a0I-hyOofV0pABJixreJfJQ2hc4aOI3PlK0LDW7W0cszOyLYn9pvZ0Dmv0Nx-AgUkjMp/s640/IMG_8939.jpg" width="640" /></a><br /></p><p> Posterior<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilpr4wHAGY-DNsIqfvskVFqqYk-PMIGI3WTQGMUE6ulazPfMKV7SXQEAWhxEZLszShrR8h2RNuwpYPsOlf0vAwpv05I7E1nTOwxuGbxwu62HEaMu6AU16bx_PHclW7ycwBaFmH0ju2xS3R/s2000/IMG_8942.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1548" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilpr4wHAGY-DNsIqfvskVFqqYk-PMIGI3WTQGMUE6ulazPfMKV7SXQEAWhxEZLszShrR8h2RNuwpYPsOlf0vAwpv05I7E1nTOwxuGbxwu62HEaMu6AU16bx_PHclW7ycwBaFmH0ju2xS3R/s640/IMG_8942.jpg" width="640" /></a></p>Left profile<p><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiq88e-Z1hALzSlhI1KaJdl76YZxtP-L1YVA5ajgee2BXA_Vhb1i-bvwPd9pyqninfoQL9FcY4c3Z8GkO-P0ImKjVY6uIBf6-IKAkwlt9NlH80MB4LMUI0RQcjkvl8jDjUP_mDlk7R3myw3/s2000/IMG_8944.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1589" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiq88e-Z1hALzSlhI1KaJdl76YZxtP-L1YVA5ajgee2BXA_Vhb1i-bvwPd9pyqninfoQL9FcY4c3Z8GkO-P0ImKjVY6uIBf6-IKAkwlt9NlH80MB4LMUI0RQcjkvl8jDjUP_mDlk7R3myw3/s640/IMG_8944.jpg" width="640" /></a></p>Right profile<p><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbiM3o8afbmFDqt1nnWh2T4o2JYQLEtsA7GtPKXuZyE5FgbzSgK9-nxnoSu1MQP7lf53e5Rjz8kuFxWd1Qk6Nta9XbcZXi1Fzj-Ylh-HX4WRmj7HM1fkjjDKEp__o90QdMpq65IR-0OGTc/s2000/IMG_8950.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1536" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbiM3o8afbmFDqt1nnWh2T4o2JYQLEtsA7GtPKXuZyE5FgbzSgK9-nxnoSu1MQP7lf53e5Rjz8kuFxWd1Qk6Nta9XbcZXi1Fzj-Ylh-HX4WRmj7HM1fkjjDKEp__o90QdMpq65IR-0OGTc/s640/IMG_8950.jpg" width="640" /></a><br /><br />
</p><p> These next two pictures are of a partial, dis-articulated pedicle valve interior. <br /></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVr4xAO8unA6VzoqMvFIv49BK_xIFz0rf2IpaVoG-1BtnR61OvzaahRTPbL6e5RKUBdxV6IGJXOzLmE8VDpe4W2xVTUBrb12U1QDwiBxtqpm7WDX_glTYlfFrC4iBXxFLF7DLJd_-0Lu_P/s2000/IMG_8954.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1461" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVr4xAO8unA6VzoqMvFIv49BK_xIFz0rf2IpaVoG-1BtnR61OvzaahRTPbL6e5RKUBdxV6IGJXOzLmE8VDpe4W2xVTUBrb12U1QDwiBxtqpm7WDX_glTYlfFrC4iBXxFLF7DLJd_-0Lu_P/s640/IMG_8954.jpg" width="640" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5choUsydr2QXwU2Ak0HSKjzMFc4CTMvwutn1c-h81J3vujmHr1J1h6ZbKnW0v_NnnVwHVSAQbQGelbjdOxYfCDeGYnDtuChIu4Km5i6lfVA8m6Vp1dJkWJ6Gg9XtqCGk1_h05Oj3_3JZk/s2000/IMG_8953.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1708" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5choUsydr2QXwU2Ak0HSKjzMFc4CTMvwutn1c-h81J3vujmHr1J1h6ZbKnW0v_NnnVwHVSAQbQGelbjdOxYfCDeGYnDtuChIu4Km5i6lfVA8m6Vp1dJkWJ6Gg9XtqCGk1_h05Oj3_3JZk/s640/IMG_8953.jpg" width="640" /></a></div><p></p><p>Another dis-articulated pedicle valve interior. The difference in features could be a result of incomplete preservation and replacement by the Quartz. Both were collected from the same horizon in the same roadcut.<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6HqjL1Kf-BYSWvCz7XRjxSgklEfIc0YRgm21-i5y0k7ppdkJ_m6sE-9zHDDlKm1HsG0RuulGnaEpZJ3s3rGUW6_jz7zYuhSL5DWsFc2nFwW1cQ_fnKam2NtLLyPsQlI29kPMymjVd5goO/s2000/IMG_8951.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1552" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh6HqjL1Kf-BYSWvCz7XRjxSgklEfIc0YRgm21-i5y0k7ppdkJ_m6sE-9zHDDlKm1HsG0RuulGnaEpZJ3s3rGUW6_jz7zYuhSL5DWsFc2nFwW1cQ_fnKam2NtLLyPsQlI29kPMymjVd5goO/s640/IMG_8951.jpg" width="640" /></a></div><p>I collected these specimens from the Jeffersonville formation (Devonian, Eifelian stage) near Louisville, KY </p><p></p>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-33108255061408114082020-08-30T21:01:00.075-07:002020-08-30T21:01:05.101-07:00Thamnopytchia vermicula coral from the Jeffersonville formation<p>One of the more recognizable corals that I have found from the Jeffersonville formation is <i>Thamnopytchia</i>. I've found it before in the similarly aged Mahantango formation (see link below) in Pennsylvania as well as in New York. I identify this coral by the round, finger like growth, the regularly spaced corallites, and the surface ornamentation that looks like small dots or bumps.</p><p>Since this is from the Jeffersonville limestone I chose to refer to the book by Erwin Charles Stumm; "Silurian
and Devonian Corals of the Falls of the Ohio". to help ID and found a possible match on page 70, plate 75, fig. 14-16, 18-20. to <i>Trachypora vermicula</i>. Past research has informed me that the genus <i>Trachypora</i> is no longer used and is now called <i>Thamnopytchia</i>. Therefore I will label these specimens as <i>Thamnopytchia vermicula</i>.</p><p>This is the largest piece I have found to date and it shows evidence of preservation by the Beekite form of quartz.<br /></p><p></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6kRXd3C2kdFmOrLBn4DckdWw5y-HxbJa7tU8xDs7NW5s3K-vYNNWro20T4Q9ceJ-QOeHUkh69ER5KzcxOSSxnY2v-yR4i2dw1UTm2f4Vvp1RJ-cGW_zDXf5tkQo7AMP2pikY6YRM7tLjA/s1791/IMG_8916.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1791" data-original-width="1380" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6kRXd3C2kdFmOrLBn4DckdWw5y-HxbJa7tU8xDs7NW5s3K-vYNNWro20T4Q9ceJ-QOeHUkh69ER5KzcxOSSxnY2v-yR4i2dw1UTm2f4Vvp1RJ-cGW_zDXf5tkQo7AMP2pikY6YRM7tLjA/s640/IMG_8916.jpg" /></a></div><p></p><p>Same specimen rotated 120 degrees from above photo<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqi75L6uwOJDOeDiUoQTKQAy_Z-5gQXz08EVBlIo86VFU3WxGWRCjZvPbxoMTRREHbxu8qROHz0Vp2HXVYWo59UCyQEGo_hQUewcna3n0v5j0tbjatY8RHYj0IKmMbTGCjnehmY5xtklWg/s1804/IMG_8917.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1804" data-original-width="1385" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqi75L6uwOJDOeDiUoQTKQAy_Z-5gQXz08EVBlIo86VFU3WxGWRCjZvPbxoMTRREHbxu8qROHz0Vp2HXVYWo59UCyQEGo_hQUewcna3n0v5j0tbjatY8RHYj0IKmMbTGCjnehmY5xtklWg/s640/IMG_8917.jpg" /></a></div><p></p><p>Same specimen rotated 120 degrees from above photo<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZvAA9CpZDSoDV6t8x8SjURUcevrD_PRZynGpYC2os8AoW8t_NemGnPxO1djx-NT3qm2jA7_qemLxHYLITOM8Qc3iw0uZVkH_aqdn9djDnqiMANN-v0OkqkeMzTOptRlvhxJlVeJXjEBRw/s1880/IMG_8919.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1880" data-original-width="1571" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZvAA9CpZDSoDV6t8x8SjURUcevrD_PRZynGpYC2os8AoW8t_NemGnPxO1djx-NT3qm2jA7_qemLxHYLITOM8Qc3iw0uZVkH_aqdn9djDnqiMANN-v0OkqkeMzTOptRlvhxJlVeJXjEBRw/s640/IMG_8919.jpg" /></a></div><p></p><p>A cross section through the coral that shows the "V" shaped corallites.<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjg21Mnxe0gaZUAk4C_lhJxDOG-KlULsxztrZF-3CvqWRkIMvWKFXtLgs-a8TnwU-qy7Tz4rOepJ5_5HC-CfyJO24CBIgMvI1nJrQnc5F4vbFcC6tqWBDiQcx29NXptGMu0N6kE8Wi2tSkv/s2000/IMG_8921.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1721" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjg21Mnxe0gaZUAk4C_lhJxDOG-KlULsxztrZF-3CvqWRkIMvWKFXtLgs-a8TnwU-qy7Tz4rOepJ5_5HC-CfyJO24CBIgMvI1nJrQnc5F4vbFcC6tqWBDiQcx29NXptGMu0N6kE8Wi2tSkv/s640/IMG_8921.jpg" width="640" /></a></p><p></p><p> </p><p>These next two specimens preserve some of the surface ornamentation of the coral.<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnvgmo0OmE7R7kYNq1zvOniov9flqPmlkTOp3UnsGgoBpPPi8ut59-Lzpbm6DrIvPlfWn8HQ4pKqwfuKKoXaX3h_MUlw5RkUSqJkFdkTgMWP3Ew9u9Xzr-_e62rW7G0omBFHVzktW-6IUi/s2000/IMG_8922.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1575" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjnvgmo0OmE7R7kYNq1zvOniov9flqPmlkTOp3UnsGgoBpPPi8ut59-Lzpbm6DrIvPlfWn8HQ4pKqwfuKKoXaX3h_MUlw5RkUSqJkFdkTgMWP3Ew9u9Xzr-_e62rW7G0omBFHVzktW-6IUi/s640/IMG_8922.jpg" width="640" /></a></p><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_4RhMDWHTb9kh7TbBFiqodMJT0_adK1I1uGpga3mfxOUV1oo8hMBgyrOXR0WacDqMHKAXL2M8gqmWCdHn8MA5-pUZpEVSE2YnvtiszgRVDExaYCPtstTxN0s9XdfVIBifs8CCj8fQe0UC/s2000/IMG_8923.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1638" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_4RhMDWHTb9kh7TbBFiqodMJT0_adK1I1uGpga3mfxOUV1oo8hMBgyrOXR0WacDqMHKAXL2M8gqmWCdHn8MA5-pUZpEVSE2YnvtiszgRVDExaYCPtstTxN0s9XdfVIBifs8CCj8fQe0UC/s640/IMG_8923.jpg" width="640" /></a></div><p>Compare these specimens to some that I've collected from the <a href="https://www.blogger.com/blog/post/edit/9210082840621538831/2071817385762539033">Mahantango formation of Pennsylvania</a>.</p><p>I collected these specimens from the Jeffersonville formation (Devonian, Eifelian stage) near Louisville, KY </p><p>
References: Stumm, E. C. (1964). Silurian and Devonian corals of the
falls of the Ohio. New York: Geological Society of America. </p><p></p>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-13956931718580152182020-08-29T09:58:00.001-07:002020-08-29T09:58:28.089-07:00Hadrophyllum orbignyi coral from the Speed Limestone<p> There is a small "button" coral that can be found in the Devonian rocks near Louisville, KY. It's called <i>Hadrophyllum orbignyi </i>and is most commonly found in the Speed Limestone formation. I've received a number of specimens from my friend Mike P. that he has collected, but I have not found any myself. </p><p>Below are two specimens that are preserved by quartz. The preservation process is not terribly good but the basic features of the coral are preserved. You can recognize the septa and fossula (the wider gap at 12 o'clock in the first specimen). Fossula is from the latin word for ditch or trench which is a good description of the feature in rugose corals.</p><p>I call these types of fossil coral "buttons" because they are small, round and have a flat profile. Compare these to the species <a href="https://www.blogger.com/blog/post/edit/9210082840621538831/8243586099812322585" target="_blank"><i>Microcyclus thedfordensis</i></a> that is found in the Arkona formation of Canada.<br /></p><p> Specimen #1 dorsal surface<br /></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9xt_qX_haUqrmhUeyKAeWg9exSi4VSD3jHM7i1gGrXZYJ-Uf0MvA98Cyo5-QJdnzQDGhS_BIYuTx-HdoeNeD2krAQLlRrL2Uh2brCYeK2oqN040zqIwVJpgJrGYQvoV5jsH7PnM3eU5FG/s2000/IMG_8906.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9xt_qX_haUqrmhUeyKAeWg9exSi4VSD3jHM7i1gGrXZYJ-Uf0MvA98Cyo5-QJdnzQDGhS_BIYuTx-HdoeNeD2krAQLlRrL2Uh2brCYeK2oqN040zqIwVJpgJrGYQvoV5jsH7PnM3eU5FG/s640/IMG_8906.jpg" width="640" /></a></div>Ventral surface<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhadL7SOOfI352kujYIYrF12e5bNcCVN0evlcMN_uSUiPWTTmx6bSKCTktF5a4D97c23KWBupj87OY_-Ng9pSwNzfhWU4dZi9kocYsPVyassic3UBJB29cno9vTcPQWi6OGM0Ly62yOFizU/s2000/IMG_8907.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhadL7SOOfI352kujYIYrF12e5bNcCVN0evlcMN_uSUiPWTTmx6bSKCTktF5a4D97c23KWBupj87OY_-Ng9pSwNzfhWU4dZi9kocYsPVyassic3UBJB29cno9vTcPQWi6OGM0Ly62yOFizU/s640/IMG_8907.jpg" width="640" /></a></div>Profile<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhb0DxSNc9gsmm3ediBe_LVyGeuOIz9bnx4da1j6yqjycBshXD9Sn6YwvCPEm2lR4ClceCywBgi7t6R5xTsyFnQMJ9mrG6bCsLhz83FH_xXN2HpqTe1_beafbngZSjeMzOikawllZsDsc2m/s2000/IMG_8909.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhb0DxSNc9gsmm3ediBe_LVyGeuOIz9bnx4da1j6yqjycBshXD9Sn6YwvCPEm2lR4ClceCywBgi7t6R5xTsyFnQMJ9mrG6bCsLhz83FH_xXN2HpqTe1_beafbngZSjeMzOikawllZsDsc2m/s640/IMG_8909.jpg" width="640" /></a></div><p></p><p>Specimen #2 dorsal surface<br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEge3hMRksB-CfkNsq-u4n8JUvcqvV7liKCYEMrNP2OfshEV8DLoQyKpVOnmw-eLQhonqGMR8yOAt35Fr7RPxj2jQpvt7NrhPwqlLSneN9VlV0KcKoZsQnHvKOcOLO6bEruBZxdQP6fxCLnb/s2000/IMG_8911.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEge3hMRksB-CfkNsq-u4n8JUvcqvV7liKCYEMrNP2OfshEV8DLoQyKpVOnmw-eLQhonqGMR8yOAt35Fr7RPxj2jQpvt7NrhPwqlLSneN9VlV0KcKoZsQnHvKOcOLO6bEruBZxdQP6fxCLnb/s640/IMG_8911.jpg" width="640" /></a></div>Profile<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8UpGwnQpt8ESL1QB_rWZSixTKgOrHPcmY2L1ErCapnTMQEJsIrbRrk_EsfBsb8HTWzzPMshb4oWeSHqXkrWftAC0TSNqn24JpTD2lBddumC-JH5nWXcF1vCml-kIoLKxGQuZ_UbN75_YS/s2000/IMG_8913.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8UpGwnQpt8ESL1QB_rWZSixTKgOrHPcmY2L1ErCapnTMQEJsIrbRrk_EsfBsb8HTWzzPMshb4oWeSHqXkrWftAC0TSNqn24JpTD2lBddumC-JH5nWXcF1vCml-kIoLKxGQuZ_UbN75_YS/s640/IMG_8913.jpg" width="640" /></a></div>Ventral surface<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2sQv-cPAFk_4Gvq7Y4pjdcpdbYyFhLZHKjIt1YQWAF8yoMHhpG3TxK-rZj89LJdcw7ZI4dmFBlb5COEYT68dJhUOv7v3BodHcK1XydqWqhKCtEBzZLSzCSuyWy2QfUcSLEdXsAbgm8t2B/s2000/IMG_8914.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2sQv-cPAFk_4Gvq7Y4pjdcpdbYyFhLZHKjIt1YQWAF8yoMHhpG3TxK-rZj89LJdcw7ZI4dmFBlb5COEYT68dJhUOv7v3BodHcK1XydqWqhKCtEBzZLSzCSuyWy2QfUcSLEdXsAbgm8t2B/s640/IMG_8914.jpg" width="640" /></a></div> <p></p><p>These specimens were found in Clark County, Indiana near Louisville, KY. They come from the Speed Limestone which is middle Devonian in age (Givetian stage). Thanks to Mike P. for the specimens!<br /></p>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-63291125009991606702020-08-24T21:01:00.048-07:002020-08-24T21:01:00.203-07:00Megastrophia concava brachiopod from the Jeffersonville formation<div>Among the largest brachiopods know is <i>Megastrophia concava</i> which is somewhat common in lower to middle Devonian aged rocks. The shell is typically oval to rectangular in shape, has a convex pedicle valve, a convex brachial valve and a straight hinge line. It is a member of the order <i>Strophomenida</i> and is related to<i> Strophomena</i>, <i>Leptanea</i>, and others with a similar shell morphology. This specimen is preserved by chert/beekite and only a partial internal/external cast of the pedicle valve is visible.<br /></div><div><br /></div><div>Pedicle valve<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixkIhe81M_9-WHyGc7jgGZepomw4TK_3HIzF7S9OIsZKsS0p-7INedSfz1DtpqpEdc6KP49n2O2sh0XBNNnCsKm1lMtrCJPNaOhDsDj5Uw_rKpvPtH8B_aX2jM4oUmnYUIaoUHB5h4lqqo/s2000/IMG_8901.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1572" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixkIhe81M_9-WHyGc7jgGZepomw4TK_3HIzF7S9OIsZKsS0p-7INedSfz1DtpqpEdc6KP49n2O2sh0XBNNnCsKm1lMtrCJPNaOhDsDj5Uw_rKpvPtH8B_aX2jM4oUmnYUIaoUHB5h4lqqo/s320/IMG_8901.jpg" width="320" /></a></div>Anterior - most of the edges of the fossil near the margin show the exterior radial ribs.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirrObfXRLMYm7q_tsxK_J-gLDyMfBMOLC0z6KozRv0uEK_bp9Ek_ckTpbAXi2yV1Pvcb1x5DUsGsSNu18xsmvaY9UIUA7r4pJ1Pi5Bcn1yXvVGd6pmqHWF2hyphenhyphenw74AQBze81hZsoNbO88UV/s2000/IMG_8902.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1450" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirrObfXRLMYm7q_tsxK_J-gLDyMfBMOLC0z6KozRv0uEK_bp9Ek_ckTpbAXi2yV1Pvcb1x5DUsGsSNu18xsmvaY9UIUA7r4pJ1Pi5Bcn1yXvVGd6pmqHWF2hyphenhyphenw74AQBze81hZsoNbO88UV/s320/IMG_8902.jpg" width="320" /></a></div>Right profile<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLtYa9Pj-U96SX5u49dr2IHGr5iE5IXadSoWzEClUJJlvPouHrZuDJXAGeHkj6fWLyqRtrvPszhz45hiXScGVMfi7zyCt0hXJHmB-y9xpZNZPDbdmTOsQnchoSQ3N5Awhp7Tibv0tz7J9s/s2000/IMG_8903.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1414" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLtYa9Pj-U96SX5u49dr2IHGr5iE5IXadSoWzEClUJJlvPouHrZuDJXAGeHkj6fWLyqRtrvPszhz45hiXScGVMfi7zyCt0hXJHmB-y9xpZNZPDbdmTOsQnchoSQ3N5Awhp7Tibv0tz7J9s/s320/IMG_8903.jpg" width="320" /></a></div>Posterior showing the internal cast where the muscles were attached (triangular shapes). The round bubbly shapes are Beekite which is a form of quartz.<br /><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqffuTSahiLrg3U_fI3uADXitpdtYiyqm1bCUob_ie7go3BRNl-yKimJ6xFMA22gwU8F5kAXVQcNxigg_maN-m2I1VUNrvGNvGqUogJ49H_wu7FaHqFZfnP4ymsC5zzeHg2Lv1Zf7pWz7M/s2000/IMG_8904.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1429" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhqffuTSahiLrg3U_fI3uADXitpdtYiyqm1bCUob_ie7go3BRNl-yKimJ6xFMA22gwU8F5kAXVQcNxigg_maN-m2I1VUNrvGNvGqUogJ49H_wu7FaHqFZfnP4ymsC5zzeHg2Lv1Zf7pWz7M/s320/IMG_8904.jpg" width="320" /></a> </div><br />I found this specimen near Lousiville, KY and believe it comes from the Jeffersonville Limestone, dated to the Devonian period
(Eifelian stage). Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-44707851042515607802020-08-22T21:01:00.002-07:002020-08-22T21:01:01.096-07:00Possible Atrypidae type brachiopod from the Louisville formation<p>The single specimen below is the only one I have found from the sediments near Louisville. I believe that it is an member of the family <i>Atrypidae</i> and may in fact be a member of the genera <i>Atrypa</i>. It looks very similar with a rounded outline to the shell, a more deeply curved brachial valve than pedicle valve, and has radial ribs that look typical. However the anterior margin has a sulcus that is confined to the forward 1/3 of the two valves. It does not continue all the way to the beak on the pedicle valve. I have seen examples of Atrypa with a similar feature but generally the pedicle valve is much flatter than in this specimen.</p>Brachial Valve<br />
<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCg6xjRBmSxlDCt_2x37vsgmaW5dOpcxnB-egm1N02WYKtZlhK9BICBcey_nVs-erDFGx6WnsE98vb6GG_6EEfbcROXu1xXD9fzxbbP_EHKZ32RH69lJxnxYiAUd7qxsUukdnDtuv2YI12/s1847/IMG_8891.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1337" data-original-width="1847" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCg6xjRBmSxlDCt_2x37vsgmaW5dOpcxnB-egm1N02WYKtZlhK9BICBcey_nVs-erDFGx6WnsE98vb6GG_6EEfbcROXu1xXD9fzxbbP_EHKZ32RH69lJxnxYiAUd7qxsUukdnDtuv2YI12/s320/IMG_8891.jpg" width="320" /></a></div>
Anterior<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgj_QCOEjKuOqCNUxD4cjRDKJ5ADDaTROHgB4xkW1iX-pFP8woZNP7AOG7aOcrm3B04oqVAxi_-53YfEWiF2umSqeK50J-okbVOgdjFOI6Nh6d_jpezlhIqRVLSdKytnAZamDgFMsQdV87P/s1957/IMG_8893.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1464" data-original-width="1957" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgj_QCOEjKuOqCNUxD4cjRDKJ5ADDaTROHgB4xkW1iX-pFP8woZNP7AOG7aOcrm3B04oqVAxi_-53YfEWiF2umSqeK50J-okbVOgdjFOI6Nh6d_jpezlhIqRVLSdKytnAZamDgFMsQdV87P/s320/IMG_8893.jpg" width="320" /></a></div>Pedicle valve (the broken section does not help with the ID)<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvN_ySZXW_subd0FKs2gmuDCilj79zSC38gurBlFgmZoMaHK2Ma241pUHShWslVts_iO9eiz-rDMsyJ0jul0jMwPNfkrbBpeHKSYTs7VlvzLWKLfGv-uZsADDkwdqJk3JQWDjpWu0SdBK1/s1786/IMG_8894.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1419" data-original-width="1786" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvN_ySZXW_subd0FKs2gmuDCilj79zSC38gurBlFgmZoMaHK2Ma241pUHShWslVts_iO9eiz-rDMsyJ0jul0jMwPNfkrbBpeHKSYTs7VlvzLWKLfGv-uZsADDkwdqJk3JQWDjpWu0SdBK1/s320/IMG_8894.jpg" width="320" /></a></div>Posterior<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxNsyVoHtL0WThLJfRzu1FtwblPh6ynyDs3ykIpGKYjQZJK0cC1paAlYFQQv9YTFuyYE8a2LcJAzPaYe60gd7FxwavSkyZMsXOVqJSzy56RBItHFhA55KybKcl75q0C0LErhkretNTcCRh/s1960/IMG_8895.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1477" data-original-width="1960" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxNsyVoHtL0WThLJfRzu1FtwblPh6ynyDs3ykIpGKYjQZJK0cC1paAlYFQQv9YTFuyYE8a2LcJAzPaYe60gd7FxwavSkyZMsXOVqJSzy56RBItHFhA55KybKcl75q0C0LErhkretNTcCRh/s320/IMG_8895.jpg" width="320" /></a></div>Left profile<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4Mbnel9lLnAGdcSWxnZuRauJ-7py1AQyIqtIa2ysOOIhhnOSAKiVq71oH-ZOcPinm7JdL-7Jngagn0wr82gR7lvsHStZKF051rk2vQeOdE3RkxMX7NVEJQznyIuz4zOmcSUJy1NU5H4fz/s1732/IMG_8897.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1375" data-original-width="1732" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4Mbnel9lLnAGdcSWxnZuRauJ-7py1AQyIqtIa2ysOOIhhnOSAKiVq71oH-ZOcPinm7JdL-7Jngagn0wr82gR7lvsHStZKF051rk2vQeOdE3RkxMX7NVEJQznyIuz4zOmcSUJy1NU5H4fz/s320/IMG_8897.jpg" width="320" /></a></div>Right profile<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQyjKrenaIuAa3zYiuQzk26YjcSYDLDcm9g-x1nVOHnehwPvcIeF9x-SN996TXhWG4J2I80YbetFSRIPC6bOBlgnKc9yusXGgXDhOa5ZaaCOEkfSSJwyiz77WlpxJm4gsOD2lKOcdm2uKG/s1746/IMG_8899.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1392" data-original-width="1746" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQyjKrenaIuAa3zYiuQzk26YjcSYDLDcm9g-x1nVOHnehwPvcIeF9x-SN996TXhWG4J2I80YbetFSRIPC6bOBlgnKc9yusXGgXDhOa5ZaaCOEkfSSJwyiz77WlpxJm4gsOD2lKOcdm2uKG/s320/IMG_8899.jpg" width="320" /></a></div><p>
</p><p>This specimen was found in an area that had mixed residual soils from the Jeffersonville limestone (Devonian) and Louisville limestone (Silurian) formations near Louisville, KY. Based on my experience with the preservation styles of the two formations, I think this came from the Lousiville limestone (Homerian to Gorstian stage of the Silurian).<br /></p>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-35271644881296205322020-08-20T21:01:00.002-07:002020-08-20T21:01:00.196-07:00Fenestellid type bryozoans from the Jeffersonville formation<div>I have one example of Fenestellid type Bryozoans from the Jeffersonville formation. The specimen below has pieces of the fan like, lacy skeletons impressed on the chert. Unfortunately the preservation is not fine enough to preserve enough of the zooids to try and ID to the generic level.<br /></div><div><br /></div><div><br /></div><div></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjjxIQ5askfb0sHxaTy9aipDHzdmmA6G2ucz7osyALA07CEZlyLW5sxUx4z90txeS48zKYIjF5OBww8tfIwTJkrk196jsLj7J2gSsLbSm4Bz7wsLKfCRYWYL5iF2MC6kHXrWmDIPZ5gMDue/s2000/IMG_8880.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1556" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjjxIQ5askfb0sHxaTy9aipDHzdmmA6G2ucz7osyALA07CEZlyLW5sxUx4z90txeS48zKYIjF5OBww8tfIwTJkrk196jsLj7J2gSsLbSm4Bz7wsLKfCRYWYL5iF2MC6kHXrWmDIPZ5gMDue/s320/IMG_8880.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVEv_3tibmUj07d3-zu6fYe6otmLWpFDqHT9OaJvqn10FAVqKkIi-Sb39OuVCO1hqlwe3eo3cqyattjyeoWOGmQt1jT3nQeChnOJfS9kB-NSyOYESTK1yR84nBvJMCDM6IfQQFGb4d42Oj/s2000/IMG_8881.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1783" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVEv_3tibmUj07d3-zu6fYe6otmLWpFDqHT9OaJvqn10FAVqKkIi-Sb39OuVCO1hqlwe3eo3cqyattjyeoWOGmQt1jT3nQeChnOJfS9kB-NSyOYESTK1yR84nBvJMCDM6IfQQFGb4d42Oj/s320/IMG_8881.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkV1cSp_u7M0JzUrZmBxRGI6Tl6GMJvBGtPUx7xOsKgdRjONK6LKLapDWzas605G3sQrXvy5t5V2JlWllgHjqRhke8t-c9ITH6JEBORDQsR_IObsqjInbXPIe6yTJ0dWeUoUjrQZ9jWsPj/s2000/IMG_8882.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkV1cSp_u7M0JzUrZmBxRGI6Tl6GMJvBGtPUx7xOsKgdRjONK6LKLapDWzas605G3sQrXvy5t5V2JlWllgHjqRhke8t-c9ITH6JEBORDQsR_IObsqjInbXPIe6yTJ0dWeUoUjrQZ9jWsPj/s320/IMG_8882.jpg" width="320" /></a></div><div> </div><div>I found this specimen near Lousiville, KY and believe it comes from the Jeffersonville Limestone, dated to the Devonian period
(Eifelian stage). </div>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-1108291744239747512020-08-18T21:01:00.018-07:002020-08-18T21:01:00.136-07:00Brachiopods and Worm tube on a Pelecypod from the Jeffersonville limestone<div>Multispecies specimens are always cool to collect. Sometimes it is just bedrock with a hash of many different species, other times it is a potential example of how life lived. The example below, from the Jeffersonville limestone, is in the latter category. It's a large unknown pelecypod shell that has a couple of brachiopods and a possible worm tube growing on the surface. <br /></div><div><br /></div><div>The specimen</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYfLtxYnc1DBW-SJfRrJWgwHMVwme7FrSBVp6eHUt3_sFOJZDlb2qw5MfLphczg1KlFXxn5mHAvyvjg5HQaluLuE-ga9-wxdHPqM5LrUSnxvxIXczOVthxH3xGvv_Y22pmrx7FT5XlRcHa/s2000/IMG_8875.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYfLtxYnc1DBW-SJfRrJWgwHMVwme7FrSBVp6eHUt3_sFOJZDlb2qw5MfLphczg1KlFXxn5mHAvyvjg5HQaluLuE-ga9-wxdHPqM5LrUSnxvxIXczOVthxH3xGvv_Y22pmrx7FT5XlRcHa/s320/IMG_8875.jpg" width="320" /></a></div><div><br /></div><div>There is not enough of the pelecypod visible it ID it 100% but it could be related to <i>Actinopteria sp</i>. or <i>Cornellites sp. </i> You can see at least three spirifirid type brachiopods that appear to be attached to the shell in life position.</div><br /><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiptWoMXCt0vTODPj89jUB9m5mpWN73ro3VvotYFXCwUbz0zuHi-d4eeShz2SMC0ibsQxIo-Kppmgt1srKcQAEh0yYQ5ejGE3P_ptdejEk3heB6RJySWEHMLc6Vx5jFhWpAr111NNz44Epb/s2000/IMG_8878.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiptWoMXCt0vTODPj89jUB9m5mpWN73ro3VvotYFXCwUbz0zuHi-d4eeShz2SMC0ibsQxIo-Kppmgt1srKcQAEh0yYQ5ejGE3P_ptdejEk3heB6RJySWEHMLc6Vx5jFhWpAr111NNz44Epb/s320/IMG_8878.jpg" width="320" /><br /></a></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiptWoMXCt0vTODPj89jUB9m5mpWN73ro3VvotYFXCwUbz0zuHi-d4eeShz2SMC0ibsQxIo-Kppmgt1srKcQAEh0yYQ5ejGE3P_ptdejEk3heB6RJySWEHMLc6Vx5jFhWpAr111NNz44Epb/s2000/IMG_8878.jpg" style="margin-left: 1em; margin-right: 1em;"></a></div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxUX8baItYgpAb39dufOZMQNEYJtIDlY8uYhxd5t-lYjncD5PcgxmySd2mg3XD8B35gAaAf7CPf-isrIhji448Z1INnnSXnbkY80yQvGgoEcOqNSkYwFZCvHhF9QIZB62OrB2WRsb5FazJ/s2000/IMG_8876.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxUX8baItYgpAb39dufOZMQNEYJtIDlY8uYhxd5t-lYjncD5PcgxmySd2mg3XD8B35gAaAf7CPf-isrIhji448Z1INnnSXnbkY80yQvGgoEcOqNSkYwFZCvHhF9QIZB62OrB2WRsb5FazJ/s320/IMG_8876.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;"></div><div><br /></div><div>I believe that the brachiopods are juvenile <i>Mediospirifer audaculus</i> based on the shape of their shells and how they are positioned on the pelecypod. <i>M. audaculus</i> has a flat to slightly sloping interarea and this is how I would expect it would look when laying flat.</div><div><br /></div><div>Also on this specimen is what appears to be a worm tube, or possibly a very large <i>Tentaculites sp.</i> If it is a worm then it might be <i>Cornulites sp. </i><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKyDkicS3DFQ3SE2am6nI6XVvXVtCDCcpz6JBvo-Tw_-LN-WFqvpW8aQtkG90spGMMW3WuCv9pgENkvsRaOEw2Z9zHgtMdT-gJ04telh8MjRcXXsFwbEPyiyvil8aJR4_5hubLHc5V9Me4/s2000/IMG_8877.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKyDkicS3DFQ3SE2am6nI6XVvXVtCDCcpz6JBvo-Tw_-LN-WFqvpW8aQtkG90spGMMW3WuCv9pgENkvsRaOEw2Z9zHgtMdT-gJ04telh8MjRcXXsFwbEPyiyvil8aJR4_5hubLHc5V9Me4/s320/IMG_8877.jpg" width="320" /><br /></a></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;">All in all, this is one of my favorite specimens from the Jeffersonville limestone and was collected on my first trip to the Louisville area back in 2007.</div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;"><div>I found this specimen near Lousiville, KY and believe it comes from the Jeffersonville Limestone, dated to the Devonian period
(Eifelian stage). </div><div><br /><br /></div></div>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-46792227204983217222020-08-16T21:01:00.028-07:002020-08-16T21:01:02.882-07:00Two pelecypods from the Jeffersonville limestone<div>I have very few good Pelecypod fossils from the Jeffersonville formation. I have been fortunate to find a number of examples of <i>Paracyclas sp. </i>(<a href="https://www.blogger.com/blog/post/edit/9210082840621538831/6963711903254431899" target="_blank">as shown in this prior post</a>) but the two specimens below do not fit that genera. <br /></div><div><br /></div><div>The first specimen is somewhat rough but recognizable as a pelecypod. There are two valves, the shell is oval in shape, and there is evidence of the hinge line at the rear of the shell. Faint concentric growth lines are visible on the surface portions of both shells but the preservation of the shells is not so good at preserving the upper parts of the shell such as the umbo. If I were to guess, this could be an example of <i>Modiomorpha sp.</i> which is very common in the Devonian, but there is not enough detail for me to be sure.</div><div><br /></div><div>Right valve<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMtMO60EzP2xa5e0w3ZHrdggJB1nOpICXEUtxQwvNfi_ayipSX_-NCXEvXqRJSuYewlK_CPFCwQkNEgUQGZMzep27liVI6-iEkBmhq4aVdoCTuSAOkhIq6IzHz02SwgxeTVJI2JU2IY2yP/s2000/IMG_8867.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1527" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMtMO60EzP2xa5e0w3ZHrdggJB1nOpICXEUtxQwvNfi_ayipSX_-NCXEvXqRJSuYewlK_CPFCwQkNEgUQGZMzep27liVI6-iEkBmhq4aVdoCTuSAOkhIq6IzHz02SwgxeTVJI2JU2IY2yP/s320/IMG_8867.jpg" width="320" /></a></div>Left valve<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgv78UUtWSqdBvTiNSMt5gTQoa2fs-Ba2tPDwGFJ-AcMGl2rQeCcT2FRcKMWCHile3MTEbQVdyOyPi4dCi6S4nlvMf2jQKDjDRqxLmE2-YTcVjfOtM-Jcg4NyT6nSsfHno-fy-aiyIMONdj/s2000/IMG_8868.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1533" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgv78UUtWSqdBvTiNSMt5gTQoa2fs-Ba2tPDwGFJ-AcMGl2rQeCcT2FRcKMWCHile3MTEbQVdyOyPi4dCi6S4nlvMf2jQKDjDRqxLmE2-YTcVjfOtM-Jcg4NyT6nSsfHno-fy-aiyIMONdj/s320/IMG_8868.jpg" width="320" /></a></div>Dorsal margin. If this were an external cast rather than internal cast you would not be able to see the raised ridge like seam between the valves.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGCiXGY1m1dfnVq_eTo5Ds5wxuDDS3Ax8E-tCD-7DhCZNgZzCp7cmStERD0PpnnGpsXitKifbA-VoscC3MaaGQm8BCQ6fqQYz_ni5mvcocmE7iiTMA1mnjqBh16ZjwVBrseTH2mml0l1AB/s2000/IMG_8869.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1482" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGCiXGY1m1dfnVq_eTo5Ds5wxuDDS3Ax8E-tCD-7DhCZNgZzCp7cmStERD0PpnnGpsXitKifbA-VoscC3MaaGQm8BCQ6fqQYz_ni5mvcocmE7iiTMA1mnjqBh16ZjwVBrseTH2mml0l1AB/s320/IMG_8869.jpg" width="320" /></a></div><br />Posterior<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjLzPgAtxOLlYAwAO9-1v3K1d5VFjAsDDcnOkmMzXmK45Hz92iAFrGklOZ2ALpL7fPdYViMfYCGnCx98VW62W7VqI76hdDVAsdvDY7DIldPL0gP0x0BvVMGDQ95VOcg-XCNvUsC7RrYT3w/s1973/IMG_8870.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1828" data-original-width="1973" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjLzPgAtxOLlYAwAO9-1v3K1d5VFjAsDDcnOkmMzXmK45Hz92iAFrGklOZ2ALpL7fPdYViMfYCGnCx98VW62W7VqI76hdDVAsdvDY7DIldPL0gP0x0BvVMGDQ95VOcg-XCNvUsC7RrYT3w/s320/IMG_8870.jpg" width="320" /></a></div>Ventral margin<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjyMNzdKvxEM4KJ4cGhdMpteJcmOAr_MxKj59xi_zdWVuIe6THvUCBUSLlQcqi_1ke7AtEE80RFxZFhZQyGTP-N1-Y9s-iKqaMeMv_04b5-XJ1-0UQufLeRXyQJPLNy3U-ICYqN_Hacr_-v/s2000/IMG_8872.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1476" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjyMNzdKvxEM4KJ4cGhdMpteJcmOAr_MxKj59xi_zdWVuIe6THvUCBUSLlQcqi_1ke7AtEE80RFxZFhZQyGTP-N1-Y9s-iKqaMeMv_04b5-XJ1-0UQufLeRXyQJPLNy3U-ICYqN_Hacr_-v/s320/IMG_8872.jpg" width="320" /></a></div>Anterior<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQFfUWvN2frlLv0IhN7KyBmo11zXYcaNtqZM4MKCq0s1jsg68bxMz5MvN_LtHxE17okg0DpBjRjiu4Oo01C814Z1uYT9BS8lBArwo0_GJxLJZM5Wj5xPxJAKBJtSJ9TR4VVAdxTjBeKAUa/s2000/IMG_8873.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1584" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQFfUWvN2frlLv0IhN7KyBmo11zXYcaNtqZM4MKCq0s1jsg68bxMz5MvN_LtHxE17okg0DpBjRjiu4Oo01C814Z1uYT9BS8lBArwo0_GJxLJZM5Wj5xPxJAKBJtSJ9TR4VVAdxTjBeKAUa/s320/IMG_8873.jpg" width="320" /></a></div><div><br /></div><div>Specimen #2 is a single, partial valve impression. It is notable for the radiating ribs that extend from where the beak would be. Due to the angle of the ribs, and overall shape of the shell I think this is a genera from the subclass Pteriomorpha, order Pectinoidea. Perhaps <i>Actinopteria sp.</i> which is a very common genus in the Devonian. <br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWfMGmvSgF2Qn1xOee4h41YRgYaqFBTg1C80BoUtlp9tuMnZMiN1pa5pb8hvNe8b_HjhAFNut_mcJ2defnXxxRCw0745jSQzremh6XtOcePMm2IeDifu0fYs4ILag8Pa0w0_iyfdtnvDR0/s1024/IMG_8874.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="768" data-original-width="1024" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWfMGmvSgF2Qn1xOee4h41YRgYaqFBTg1C80BoUtlp9tuMnZMiN1pa5pb8hvNe8b_HjhAFNut_mcJ2defnXxxRCw0745jSQzremh6XtOcePMm2IeDifu0fYs4ILag8Pa0w0_iyfdtnvDR0/s320/IMG_8874.jpg" width="320" /></a></div><div><br /></div><div>I found these two specimens near Lousiville, KY and believe they come from the Jeffersonville Limestone, dated to the Devonian period (Eifelian stage). </div><div><br /></div><div><br /></div>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-8897020360503259982020-08-14T21:01:00.014-07:002020-08-14T21:01:03.431-07:00Dolatocrinus sp. crinoid stems from the Jeffersonville limestone<div>It is rare that you can ID a loose crinoid stem segment to the genus it is from but some forms are very distinct. Today's example of that are some stem sections from the crinoid <i>Doloatocrius sp.</i> What makes the stems unique are periodic growths that form a wider ring than the rest of the stem, and also have vertical extrusions at 120 degree intervals. The extrusions look a little like "fins" <br /></div><div><br /></div><div>The specimens shown below were sent to me as part of an trade with Mike P. and come from the Jeffersonville limestone near Louisville, KY. I did some research and cannot find any examples on the internet that show these stems in life position with a calyx attached. Also, in one of my <a href="http://viewsofthemahantango.blogspot.com/2011/06/bits-of-crinoids-from-arkona.html" target="_blank">previous blog entries I have a note with similar specimens found in Arkona</a>, Canada that they belong to <i>Megistocrinus sp.</i> crinoids. That note may or may not be correct as I have seen <a href="http://michiganbasinfossils.org/viewrecord/608" target="_blank">pictures of stems attached to <i>Megistocrinus nodosus </i>calyx</a> that do not show the "wing" like growths, just the thicker ring.</div><div><br /></div><div>So for now I will keep the current label of <i>Doloatocrius sp.</i> until I can positively confirm otherwise. </div><div><br /></div><div>Specimen #1 <br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBvo63z6yi9dxjNkMjfir2HAJfeizgAWJdKT2n98FN8P5htJSTrFh2I0b33Bet8RFhqD4K8yoemKnNc_0DyQXN6V-kICPH0zFFOtlABuMkYHgGTjomWthkEr-RR1kR_DFc6ZSHEfyaZ6YO/s1616/IMG_8859.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1371" data-original-width="1616" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBvo63z6yi9dxjNkMjfir2HAJfeizgAWJdKT2n98FN8P5htJSTrFh2I0b33Bet8RFhqD4K8yoemKnNc_0DyQXN6V-kICPH0zFFOtlABuMkYHgGTjomWthkEr-RR1kR_DFc6ZSHEfyaZ6YO/s320/IMG_8859.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjK6khYfwoZQnPRhVDfJwUrkvF4dG_rSiiR0y6OBcz5DibRYmVHGQDKQ4Z59c7igtypspnTYU2MdVYeovso18Mtmrc6mw9y8Rw7DX369p-tSo2ZM3ob7tNcBkUBpTtHSUrNUNtSvtkl5QHb/s1671/IMG_8860.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1457" data-original-width="1671" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjK6khYfwoZQnPRhVDfJwUrkvF4dG_rSiiR0y6OBcz5DibRYmVHGQDKQ4Z59c7igtypspnTYU2MdVYeovso18Mtmrc6mw9y8Rw7DX369p-tSo2ZM3ob7tNcBkUBpTtHSUrNUNtSvtkl5QHb/s320/IMG_8860.jpg" width="320" /></a></div><div><br /></div><div>Specimen #2<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifREg9WfI4wg6moIdeBSbOQXFd-4xuayx7jdT4qNJsa_e6n-GXqq3rC3qTDHPLQ43RGr08W6QAZNFgflbuf-7HftNLi7iyjOJgEwSRh7C2WhqsCv6sInrLpYT37AWmCMiKw0VteFe3Em3b/s1743/IMG_8861.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1743" data-original-width="1425" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEifREg9WfI4wg6moIdeBSbOQXFd-4xuayx7jdT4qNJsa_e6n-GXqq3rC3qTDHPLQ43RGr08W6QAZNFgflbuf-7HftNLi7iyjOJgEwSRh7C2WhqsCv6sInrLpYT37AWmCMiKw0VteFe3Em3b/s320/IMG_8861.jpg" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMZ4-Ifda8qctL8tEHm5BtfBH2V8EDsKYf8hgHLguhaKgW_93nGD8m7BQmsg6FxVQGaaFHTBXnDyavpZ2cCSA8dYR5dLuLqVV43YDLdl7yZ3n8ReAaWXi7a50O84QrwNpR189_-Pdfrwf4/s1798/IMG_8862.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1798" data-original-width="1503" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMZ4-Ifda8qctL8tEHm5BtfBH2V8EDsKYf8hgHLguhaKgW_93nGD8m7BQmsg6FxVQGaaFHTBXnDyavpZ2cCSA8dYR5dLuLqVV43YDLdl7yZ3n8ReAaWXi7a50O84QrwNpR189_-Pdfrwf4/s320/IMG_8862.jpg" /></a></div><div><br /></div><div>Specimen #3<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOEECUyI9JGCN3PZBeL3fKwKlGZISDFHzsfkn8TuvIJtsbLgC2A04OGGyPCuD9YSe99uU76qAqk8BVwCh6AWtWeQ9LCJtey9qsxpaqa4O1YFAzTypjrACYDmN4fCCp1GPlH6pHagQ7nF-2/s1830/IMG_8863.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1419" data-original-width="1830" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOEECUyI9JGCN3PZBeL3fKwKlGZISDFHzsfkn8TuvIJtsbLgC2A04OGGyPCuD9YSe99uU76qAqk8BVwCh6AWtWeQ9LCJtey9qsxpaqa4O1YFAzTypjrACYDmN4fCCp1GPlH6pHagQ7nF-2/s320/IMG_8863.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWKoJuL1EGE17Eb5HyM7rCw0QpVfVEbidpxcGmSz9uMK5URU_FZQSd9XkEdiU_ZhSHd4gkWFTTPeH-_tVwjmX8iNPgC0R2G0faUIv_DPzV-sD2qE240Ugu7n-zGxBWuivpIOQRqpfHa5D-/s2048/IMG_8864.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1300" data-original-width="2048" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWKoJuL1EGE17Eb5HyM7rCw0QpVfVEbidpxcGmSz9uMK5URU_FZQSd9XkEdiU_ZhSHd4gkWFTTPeH-_tVwjmX8iNPgC0R2G0faUIv_DPzV-sD2qE240Ugu7n-zGxBWuivpIOQRqpfHa5D-/s320/IMG_8864.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfIld7NCYMTNRsQElNYsIk-IVa5IF-u9IbM93gxhDq0vnDwCFdIQdLc7T-I_iON-NA0-lzr0-UcQZ1QY70riixk38nzoc7JUcXWDJd4rDyravJJEq63IlN1Jpb_Z5dRYz9VCcr02dUzKQ4/s1883/IMG_8865.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1883" data-original-width="1453" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfIld7NCYMTNRsQElNYsIk-IVa5IF-u9IbM93gxhDq0vnDwCFdIQdLc7T-I_iON-NA0-lzr0-UcQZ1QY70riixk38nzoc7JUcXWDJd4rDyravJJEq63IlN1Jpb_Z5dRYz9VCcr02dUzKQ4/s320/IMG_8865.jpg" /></a></div> <br /><br /> I received these specimens in an trade with Mike P. and they come from the Jeffersonville Limestone near Louisville, KY and is dated to the Devonian period (Eifelian stage). Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-19166080992562962262020-08-13T09:51:00.027-07:002020-08-13T09:51:00.190-07:00Mound like Bryozoan from the Speed Limestone<div>I've found a few specimens of what appears to be a mounding Bryozoan that lived during the Devonian period during collecting trips to the Louisville, KY area. I've also received specimens from Mike P. via exchanges and he has them labelled as "<i>Eridotrypa sp.</i> from the Speed limestone". The Speed limestone is a member of the Silver Creek formation (or North Vernon/Sellersburg limestone depending on the resource you look at) and is above the Jeffersonville limestone. <br /></div><div><br /></div><div>I am unsure of the actual ID for these specimens as <i>Eridotrypa</i> is a genus known from the Ordovician and Silurian. I believe this is an example of an order <i>Trepostomata</i> type bryozoan (as is <i>Eridotrypa</i>) but the preservation is not good enough to really narrow the ID. I'd suggest that an ID of <i>Monotrypa sp</i>. (which forms hemispherical colonies with flat bases and is known from the lower to middle Devonian of New York) would be more appropriate for the age of the specimens but for now they will have a question mark on my labels.<br /></div><div><br /></div><div>All the specimens I have are very light with some clearly being hollow as a rattling can be heard inside when turned. It is my interpretation that these are partially preserved examples with the exterior being the most extensively replaced. These likely represent casts of the actual calcitic fossils that dissolved away during the silicification process. Since surface details are lacking, the original skeletons could also have been tumbled on the seafloor prior to fossilization.<br /></div><div><br /></div><div>A clutch of specimens that all show similar features<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgIsV66PpIRflacfq6MinCSf62SfeaAaUCHtSRZRryaVFEs-SGlswOy73Fu1GLCPahmJFS-Hhy0GMlt2pVu4PFb881Hh8_khRIQPc-NV5qdcXjFymQsXTLsurpOU-YBD8TwCsOyX5xtde9Y/s2000/IMG_8855.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1453" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgIsV66PpIRflacfq6MinCSf62SfeaAaUCHtSRZRryaVFEs-SGlswOy73Fu1GLCPahmJFS-Hhy0GMlt2pVu4PFb881Hh8_khRIQPc-NV5qdcXjFymQsXTLsurpOU-YBD8TwCsOyX5xtde9Y/s320/IMG_8855.jpg" width="320" /></a></div><div><br /></div><div>Specimen #1 - side view<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2WlHybrVwfRQEj22tohV7bMB_ohjqVIhuWWyvjYHqkbKbfY58i5j3QOv-GxOwk0l421q0rnHTKFxnTt2j_Ktq6r1m8N0El5M8YPOXA7-nn_0Raqxa5Awniyk1fYTdNOfQ3AwdQy2_ZIF7/s2000/IMG_8844.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1487" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2WlHybrVwfRQEj22tohV7bMB_ohjqVIhuWWyvjYHqkbKbfY58i5j3QOv-GxOwk0l421q0rnHTKFxnTt2j_Ktq6r1m8N0El5M8YPOXA7-nn_0Raqxa5Awniyk1fYTdNOfQ3AwdQy2_ZIF7/s320/IMG_8844.jpg" width="320" /></a></div><div><br /></div><div><br /></div><div>Dorsal surface of the specimen showing the small corallites<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2heQ1iuqD-DD52CkF-4h_lPYHUA_ArGFECD4O5vCiKCO0hHYG2biavyfKJZqamPp9YqMv1ahsMdSmJ7B4xhnnnL_tWum-yJ5SIkPKfo2xpL7mr3IvpKkFPSz0lE7ZMNVLJOXt10pmb_xT/s2000/IMG_8845.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1573" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2heQ1iuqD-DD52CkF-4h_lPYHUA_ArGFECD4O5vCiKCO0hHYG2biavyfKJZqamPp9YqMv1ahsMdSmJ7B4xhnnnL_tWum-yJ5SIkPKfo2xpL7mr3IvpKkFPSz0lE7ZMNVLJOXt10pmb_xT/s320/IMG_8845.jpg" width="320" /></a></div><div><br /></div><div>Another side view that shows the layering and cells of the colony</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEid111LSkGJUSfEQxTxRdAwKsTSMCAHRNRhbuVBwhCAxGu8hg4AjFloCMnD_p0owBiwaJLdfTqUwsba6FGuvtvHQ5Ihaz_IyExewqM8KnFWfm0LAPo1TTT8w5EwDJZac5iEpeEXkH2stbxi/s2000/IMG_8846.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1448" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEid111LSkGJUSfEQxTxRdAwKsTSMCAHRNRhbuVBwhCAxGu8hg4AjFloCMnD_p0owBiwaJLdfTqUwsba6FGuvtvHQ5Ihaz_IyExewqM8KnFWfm0LAPo1TTT8w5EwDJZac5iEpeEXkH2stbxi/s320/IMG_8846.jpg" width="320" /></a></div><div><br /></div><div>Bottom of the specimen which has features that could either be from growth over a non level surface, or dissolution features prior to silicification of the fossil.<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzm-XB6hwEk59BRtDX-u602VV4O-Xmj8JC7Q_M8KjQbEn7Eb7eZjVtsK_o9q87S66yr8hzbBUjstAE70vnQKN2151LBOf7Wtxt_9Ub-NYjYyh7De5FEYXxflfDc75ajplLrQNQZJz_7Yb2/s2000/IMG_8847.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1736" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzm-XB6hwEk59BRtDX-u602VV4O-Xmj8JC7Q_M8KjQbEn7Eb7eZjVtsK_o9q87S66yr8hzbBUjstAE70vnQKN2151LBOf7Wtxt_9Ub-NYjYyh7De5FEYXxflfDc75ajplLrQNQZJz_7Yb2/s320/IMG_8847.jpg" width="320" /></a></div><div><br /></div><div>Specimen #2<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLCE6WIVCcG2Et4_8D179bDt6rKgpryxoYibeT-BVrxFd7p6VTTQWXGvR4rG1np5butI8ur8WTAiy4Fl6o7K-wEcpIk_ry4jRYf2Oa-kTTSji8tQaFi9fuf1yr0jqYcFanyvI3PXSfR8Qq/s2000/IMG_8848.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1537" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLCE6WIVCcG2Et4_8D179bDt6rKgpryxoYibeT-BVrxFd7p6VTTQWXGvR4rG1np5butI8ur8WTAiy4Fl6o7K-wEcpIk_ry4jRYf2Oa-kTTSji8tQaFi9fuf1yr0jqYcFanyvI3PXSfR8Qq/s320/IMG_8848.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQ5wzhro71d2JbIhWhDcfaUu9hc9ikieAWMTA7L5k9LLUVyzjVTxKWTJr9NZ8jOKcWwg1euaLCTwLEFQT06XIub2oURggN2fZPil59eqWwe_bahIjO2FXiEDF-DOkxJ97Od7R-36hMQMjf/s2000/IMG_8849.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1556" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQ5wzhro71d2JbIhWhDcfaUu9hc9ikieAWMTA7L5k9LLUVyzjVTxKWTJr9NZ8jOKcWwg1euaLCTwLEFQT06XIub2oURggN2fZPil59eqWwe_bahIjO2FXiEDF-DOkxJ97Od7R-36hMQMjf/s320/IMG_8849.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzYKeG4Flr3Gevze4S4i7reGIL0-v9PfnPsT4UT4MUUYHIyzGnWO6UsWFpAnjA3Qsum8zgg46VHkht7dYvBK1ezysfzJW2fXG6SkOEllQy3KOA25sUtQq3aTL1ZQfOuAz8Wvu7S2PjKo40/s2000/IMG_8850.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1582" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzYKeG4Flr3Gevze4S4i7reGIL0-v9PfnPsT4UT4MUUYHIyzGnWO6UsWFpAnjA3Qsum8zgg46VHkht7dYvBK1ezysfzJW2fXG6SkOEllQy3KOA25sUtQq3aTL1ZQfOuAz8Wvu7S2PjKo40/s320/IMG_8850.jpg" width="320" /></a></div><div><br /></div><div>Specimen #3<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEia3-VY8Dl5RJDPzRnRo4a44-XX3YCynmhRNbPj0VNhTqDuFImohvWiCoGXYwYOmNEplDgKWi2ED1IJGwTguEEtJFps8fsrY4PKGmXosNW-bUclDquciPvfQmJuWk-ds9VLPRoYa_g1gCDQ/s1825/IMG_8851.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1825" data-original-width="1575" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEia3-VY8Dl5RJDPzRnRo4a44-XX3YCynmhRNbPj0VNhTqDuFImohvWiCoGXYwYOmNEplDgKWi2ED1IJGwTguEEtJFps8fsrY4PKGmXosNW-bUclDquciPvfQmJuWk-ds9VLPRoYa_g1gCDQ/s320/IMG_8851.jpg" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrpR8NpslmZMV5enBUem44EIVatI0uNyXfkAmyzWt0NIoHlganC_TZEIKqSvagqxkGyGlo0FIejFsYHu8VxZvmVASkThCx7aCeU8PeYM0wXzQSQIZKBh6muMeX8ou8cV5qbqKhH1bCG1vt/s2000/IMG_8854.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1462" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjrpR8NpslmZMV5enBUem44EIVatI0uNyXfkAmyzWt0NIoHlganC_TZEIKqSvagqxkGyGlo0FIejFsYHu8VxZvmVASkThCx7aCeU8PeYM0wXzQSQIZKBh6muMeX8ou8cV5qbqKhH1bCG1vt/s320/IMG_8854.jpg" width="320" /></a></div><br />I received these specimens via trade. They come from a quarry in Clark County, Indiana which is near Louisville, KY. The fossils are dated (roughly) to the middle Devonian (Givetian stage).<br />Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-32406496752892726672020-08-11T09:45:00.016-07:002020-08-11T09:45:00.790-07:00Orthospirifer sp. brachiopod from the Jeffersonville Limestone<div>The Brachiopod <i>Orthospirifer</i> is a genus that I don't find as often in the Devonian aged sediments that typically collect in New York and Pennsylvania. The specimen below was sent to me as part of an exchange from Mike P. who runs the excellent "<a href="https://louisvillefossils.blogspot.com/">Louisville Fossils and Beyond</a>" blog. The specimen is is a little compressed and the brachial valve is encrusted with an Auloporoid type coral. The only other <a href="http://viewsofthemahantango.blogspot.com/2016/05/orthospirifer-sp-brachiopod-from-silica.html"><i>Orthospirifer </i>that I have in my collection is from the Silica Shale of Ohio</a>. Orthospirifer looks similar to <a href="http://viewsofthemahantango.blogspot.com/2014/01/mediospirifer-audaculus-brachiopod-from.html"><i>Mediospirifer audaculus</i></a> but the interarea is often curved and the brachial valve more convex.</div><div><br /></div><div>Brachial valve dorsal surface with the Auloporoid encrustation<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-iAODrc33_W-rzIMOA9E3Quo3jICD7V6xRq_SF2OXn54EDdiimMiXnFVHmKhHOzmSWy066OLhPOBoWMMoxBY9Zh_X8hP6CPymP2v1zzMG346nzRU9ajNPkyyJqYClVzonm4najgGsz4nY/s2000/IMG_8818.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1554" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-iAODrc33_W-rzIMOA9E3Quo3jICD7V6xRq_SF2OXn54EDdiimMiXnFVHmKhHOzmSWy066OLhPOBoWMMoxBY9Zh_X8hP6CPymP2v1zzMG346nzRU9ajNPkyyJqYClVzonm4najgGsz4nY/s320/IMG_8818.jpg" width="320" /></a></div><div><br /></div><div>Anterior view<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhoa1AJTN1Xhuemwy67z_pmVuhuvNKUUlR8tBKWlJp4dZ07xKafgLLvGNaz0WA7hPltIFjnrS4MAtyaTRKXvQRWeL4FAAzF6TCVrQkQj0pcuDDlM3UrrXkDcAzie9O2-q7JUJh34zRDpLN4/s2000/IMG_8819.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1392" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhoa1AJTN1Xhuemwy67z_pmVuhuvNKUUlR8tBKWlJp4dZ07xKafgLLvGNaz0WA7hPltIFjnrS4MAtyaTRKXvQRWeL4FAAzF6TCVrQkQj0pcuDDlM3UrrXkDcAzie9O2-q7JUJh34zRDpLN4/s320/IMG_8819.jpg" width="320" /></a></div><div><br /></div><div>Pedicle valve view of dorsal surface<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZOrjyFJ8EDjlKhPwTHG2tJ_-oKnA06wDr0BXRsbPIoyvG0HgptnWp20y5DUjxsSSNCKUtRIU6-byBTLHJI3U8LjBNawQnHRrbHQk-t2GcMcTaibWU8puMhJJTGMktRaZYhcl0eTfZvNBH/s2000/IMG_8821.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1474" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZOrjyFJ8EDjlKhPwTHG2tJ_-oKnA06wDr0BXRsbPIoyvG0HgptnWp20y5DUjxsSSNCKUtRIU6-byBTLHJI3U8LjBNawQnHRrbHQk-t2GcMcTaibWU8puMhJJTGMktRaZYhcl0eTfZvNBH/s320/IMG_8821.jpg" width="320" /></a></div><div><br /></div><div>Posterior view<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhRWl-ceD1sCDXAypnj_NxE-6_HY-d98pfiqv0LU5y5MoO6_V-pTkFQwy23xkUfPf9Y-4KaqmSIDT3FOVSA6IgMjK5veu5jO57Oa7BNhy4oeT2wwKS3w_taE-qccBwIEZFPKkNou0wkh3Pe/s2000/IMG_8822.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1435" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhRWl-ceD1sCDXAypnj_NxE-6_HY-d98pfiqv0LU5y5MoO6_V-pTkFQwy23xkUfPf9Y-4KaqmSIDT3FOVSA6IgMjK5veu5jO57Oa7BNhy4oeT2wwKS3w_taE-qccBwIEZFPKkNou0wkh3Pe/s320/IMG_8822.jpg" width="320" /></a></div><div><br /></div><div>Posterior view turned 180 degrees<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhn2tSryIJnwJPF7UeVb6flMn9jf4Wfpn-zkWgo4aIOBp2eaz72R_WGT_I1aeLwWXzdLJtjJ1Km_ktpmAKz0ZJMj0qavg1ZsCx4e-8bMduPomQ91LmiJ7IFPx0s6578ZsdTHF_DhYWfAGsO/s2000/IMG_8823.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1473" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhn2tSryIJnwJPF7UeVb6flMn9jf4Wfpn-zkWgo4aIOBp2eaz72R_WGT_I1aeLwWXzdLJtjJ1Km_ktpmAKz0ZJMj0qavg1ZsCx4e-8bMduPomQ91LmiJ7IFPx0s6578ZsdTHF_DhYWfAGsO/s320/IMG_8823.jpg" width="320" /></a></div><div><br /></div><div>Right profile<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimHbtF2Y3vmUJIXobTzaKpdmgNFO6u6fgoGjORjRWbtSGEUizysrP6jINOa7TNRADx8evCrao6KCbDgAZp5ZEYmCoqcx-llRsC0xvaaNPSBajv0h_WtH3nlcIdf-HWcl9oIbLDS2xHrs5X/s1704/IMG_8824.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1246" data-original-width="1704" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimHbtF2Y3vmUJIXobTzaKpdmgNFO6u6fgoGjORjRWbtSGEUizysrP6jINOa7TNRADx8evCrao6KCbDgAZp5ZEYmCoqcx-llRsC0xvaaNPSBajv0h_WtH3nlcIdf-HWcl9oIbLDS2xHrs5X/s320/IMG_8824.jpg" width="320" /></a></div><div><br /></div><div>A closer view of the Auloporoid encrustation. Unfortunately the preservation of the coral is not good enough to speculate on the genus or species.<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJBQclP-7bKgrAV3NjlGOYpIt6Jtc1daF0FUX3lZliLoJCY2SbdrIby7BCCXE7xqGi8H3UjHChTsjWReIBlg_9GKa47ztu8OoExeD4Qg1lxYybd1fzqX30eA_XZnftZQ9Q8plJYsR59_ht/s2000/IMG_8825.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1424" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJBQclP-7bKgrAV3NjlGOYpIt6Jtc1daF0FUX3lZliLoJCY2SbdrIby7BCCXE7xqGi8H3UjHChTsjWReIBlg_9GKa47ztu8OoExeD4Qg1lxYybd1fzqX30eA_XZnftZQ9Q8plJYsR59_ht/s320/IMG_8825.jpg" width="320" /></a></div>
<br /><br />
I received this specimen in an trade with Mike P. and it comes from the Jeffersonville Limestone located in Clark County, IN which is near Louisville, KY and is dated to the Devonian period (Eifelian stage). Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-40366781550648816822020-08-09T16:09:00.019-07:002020-08-09T16:09:00.256-07:00Tropidoleptus carinatus brachiopod from the Sellersburg Limestone<div>Today's specimen is <i>Tropidoleptus carinatus</i> from the Sellersburg limestone of Indiana. The Sellersburg limestone is middle Devonian in age (Givetian stage) and lies above the Jeffersonville formation. The fossils below are from two different individuals but show both valves of <i>T. carinatus</i>. I purchased these specimens from a seller on E-bay some years ago.<br /></div><div><br /></div><div>Brachial valve dorsal surface<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwOpWU9sPHUdpmSczV-Dqpb__yG3a5G2Rzjmvou34a8yMND136njKTCipc5nDLlOXHbQb2ZkAmAI3qo7aNuVH9k41d-eHZjAu8qRTURf6NsGHe1Hb5f0ps5ob-qs9QfgaQW74YDJ_PhKJB/s2000/IMG_8804.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1620" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwOpWU9sPHUdpmSczV-Dqpb__yG3a5G2Rzjmvou34a8yMND136njKTCipc5nDLlOXHbQb2ZkAmAI3qo7aNuVH9k41d-eHZjAu8qRTURf6NsGHe1Hb5f0ps5ob-qs9QfgaQW74YDJ_PhKJB/s320/IMG_8804.jpg" width="320" /></a></div><div><br /></div><div>Brachial valve ventral surface</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2ymUkfZCJ4mBIQwzrMAsc35jG5SMhi2s5WQSbqSyYDwKr-ajFF4hYzGBEm_3rthI6Fz87CCczA1vAiIv2R3LOjKImcWZt5GlN66m_Cb3e_Iy5ogBnYNz8QpQnCcmfW0M2-s_oYqrh0LSN/s2000/IMG_8805.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1582" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2ymUkfZCJ4mBIQwzrMAsc35jG5SMhi2s5WQSbqSyYDwKr-ajFF4hYzGBEm_3rthI6Fz87CCczA1vAiIv2R3LOjKImcWZt5GlN66m_Cb3e_Iy5ogBnYNz8QpQnCcmfW0M2-s_oYqrh0LSN/s320/IMG_8805.jpg" width="320" /></a></div><div><br /></div><div>View of the rear of the brachial valve with the attachment points for the brachioles shown</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLsNH5H3g4z4A852hrzyA040_J6kHtm8HvonXUTVVK80g-ul0JA7poW632mw7CD8iezMgQk0HatJcqpEQUPgL3DdqTIMSi3GFrULdcmOgRouyq4AiDSg__05G183zLl_rwnsGmiwpx7GQb/s2000/IMG_8806.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1423" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLsNH5H3g4z4A852hrzyA040_J6kHtm8HvonXUTVVK80g-ul0JA7poW632mw7CD8iezMgQk0HatJcqpEQUPgL3DdqTIMSi3GFrULdcmOgRouyq4AiDSg__05G183zLl_rwnsGmiwpx7GQb/s320/IMG_8806.jpg" width="320" /></a></div><div><br /></div><div>Pedicle valve dorsal surface<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmsIOIZFiW3puSPwGZoDhcegEuglBqsFK74phP94YmS7KzIS18NVJkc8Rc4rc6zl8Y7INc5un9ixE65Ap4vQ7uqL03TwC00zBRZBtn5pAJnvmf7LjQjmUk3O9XjF70EKpucqjkHHdOO31Y/s2000/IMG_8809.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1681" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmsIOIZFiW3puSPwGZoDhcegEuglBqsFK74phP94YmS7KzIS18NVJkc8Rc4rc6zl8Y7INc5un9ixE65Ap4vQ7uqL03TwC00zBRZBtn5pAJnvmf7LjQjmUk3O9XjF70EKpucqjkHHdOO31Y/s320/IMG_8809.jpg" width="320" /></a></div><div><br /></div><div>Pedicle valve ventral surface</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfV9_h9zhimHU1Kla4TckKDyq7bs_IXHbribRCEVR9zgeTp1ufXjnn3G9mn2VRG2AM7gtfBFZF9jI4fz0RMjdJc04Zqu00KI_zDZ9H4hHLju9d4ZRobKFpn8ZaQaMA6qOpC112l9yyJhGe/s2000/IMG_8810.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1609" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfV9_h9zhimHU1Kla4TckKDyq7bs_IXHbribRCEVR9zgeTp1ufXjnn3G9mn2VRG2AM7gtfBFZF9jI4fz0RMjdJc04Zqu00KI_zDZ9H4hHLju9d4ZRobKFpn8ZaQaMA6qOpC112l9yyJhGe/s320/IMG_8810.jpg" width="320" /></a></div><div><br /></div><div></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgM9jlQRK_QNRkFT-nyQkdX-iJvsK2JyQO9O4CD8uJBZETulVQvtYexV6c5dNVmQ_uendom8FqWp9Jp6m2qbLtxzI_3VHTsNxMl_qXteCvQcPdNop-QHy_YmMlFt1uf4c-DQSlSaltp1vmQ/s2000/IMG_8812.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgM9jlQRK_QNRkFT-nyQkdX-iJvsK2JyQO9O4CD8uJBZETulVQvtYexV6c5dNVmQ_uendom8FqWp9Jp6m2qbLtxzI_3VHTsNxMl_qXteCvQcPdNop-QHy_YmMlFt1uf4c-DQSlSaltp1vmQ/s320/IMG_8812.jpg" width="320" /></a></div><div><br /></div><div>Left side profile of pedicle valve</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBxXtr6_YMTwQKkGDpDAn14FtUto8KHqz0K8J5t6Ym9pH1rr08It2ktEuVPoqAexJqegQfft7kkDXAqjV1hTQhOV-JhXMojuEct3BM4QEBugoR0omilIrtrUJM7ebIeneuM0mkIeFuSxRA/s2000/IMG_8813.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1540" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgBxXtr6_YMTwQKkGDpDAn14FtUto8KHqz0K8J5t6Ym9pH1rr08It2ktEuVPoqAexJqegQfft7kkDXAqjV1hTQhOV-JhXMojuEct3BM4QEBugoR0omilIrtrUJM7ebIeneuM0mkIeFuSxRA/s320/IMG_8813.jpg" width="320" /></a></div><div><br /></div><div>Posterior of pedicle valve<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj67lO9CrdwkRsc9m5VNCCYtiqLc9WIhwB8t2jHyPal9FQoxbwS59Xs764NnBQUp1jjSfB5ThWNx2dxDoUWYGuTpeKWPn6P_zYnamtL7pWzZSoastGb1nFKCKKsuXLD_eNeFM_halAgYT-m/s2000/IMG_8814.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1533" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj67lO9CrdwkRsc9m5VNCCYtiqLc9WIhwB8t2jHyPal9FQoxbwS59Xs764NnBQUp1jjSfB5ThWNx2dxDoUWYGuTpeKWPn6P_zYnamtL7pWzZSoastGb1nFKCKKsuXLD_eNeFM_halAgYT-m/s320/IMG_8814.jpg" width="320" /></a></div><div><br /></div><div>Anterior of pedicle valve<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2RX18CP5wTrnAhzvQhkjyL9V4Z2Cgat-a7-m96VMZ6CqSIGQ4_QvlYIvA2i8wwBVumHVTHxjQBRr5YSfJ20EKMjFM12vK5zZZ3P0lXWH8I6b86op40SnYDjtSAILgLxp2QEu1GEAQZa5R/s2000/IMG_8815.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2RX18CP5wTrnAhzvQhkjyL9V4Z2Cgat-a7-m96VMZ6CqSIGQ4_QvlYIvA2i8wwBVumHVTHxjQBRr5YSfJ20EKMjFM12vK5zZZ3P0lXWH8I6b86op40SnYDjtSAILgLxp2QEu1GEAQZa5R/s320/IMG_8815.jpg" width="320" /></a></div>
<div><br /></div><div><i>T. carinatus</i> is very common in the middle to upper Devonian aged rocks of North America. Some of the best specimens I have found come from the <a href="http://viewsofthemahantango.blogspot.com/2010/12/tropidoleptus-redux.html">Kashong shale member of the Moscow formation in New York</a>. I have never found examples of the species with individual valves before though, so these are special specimens in my collection.<br /></div><br />
These specimens come from the Sellersburg Limestone located in Clark County, IN which is near Louisville, KY and is dated to the Devonian period (Givetian stage). Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-14188121290354662732020-08-07T09:48:00.015-07:002020-08-07T09:48:00.309-07:00Schlotheimophyllum sp. coral from the Lousiville Limestone<div>I had some help with the ID of these next two specimens. They are both the coral <i>Schlotheimophyllum sp. </i> from the Louisville limestone near Louisville, Kentucky. The first specimen came to me from Mike P. who runs the excellent "<a href="https://louisvillefossils.blogspot.com/">Louisville Fossils and Beyond</a>" blog.</div><div></div><div><br /></div><div>Specimen #1 - top view of calice<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTZ2IXbQKuRv6_L-uEGPqbZA5uZGYTwgsR0azM5DSqWWq_Y9RqhVAL5745xqJDpFHbFiYv5j756tHoLucWZxG-R_BVf6a9cF_k0QLKPYa-D2FVBhYVeIXlvp2iRgkxv0gYfF2xJVoi_ami/s1831/IMG_8828.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1457" data-original-width="1831" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTZ2IXbQKuRv6_L-uEGPqbZA5uZGYTwgsR0azM5DSqWWq_Y9RqhVAL5745xqJDpFHbFiYv5j756tHoLucWZxG-R_BVf6a9cF_k0QLKPYa-D2FVBhYVeIXlvp2iRgkxv0gYfF2xJVoi_ami/s320/IMG_8828.jpg" width="320" /></a></div><div><br /></div><div>Angled view of the calice<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgPlAIfVPFTrQGVfrC4fqDyKNxGByoiVO_TeBjupo9WCMoCJmQVSQQkvxb5oXDSwVY2p7HlK_0ktvE-KYXJ5MVj0NrTz6QR6NM-Wyy1aFdN4AiBtdQYm6lpfj0rvlFDdBvfrcTKOuChCLC_/s2000/IMG_8829.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1560" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgPlAIfVPFTrQGVfrC4fqDyKNxGByoiVO_TeBjupo9WCMoCJmQVSQQkvxb5oXDSwVY2p7HlK_0ktvE-KYXJ5MVj0NrTz6QR6NM-Wyy1aFdN4AiBtdQYm6lpfj0rvlFDdBvfrcTKOuChCLC_/s320/IMG_8829.jpg" width="320" /></a></div><div><br /></div><div>Side views of the corallum with each subsequent picture showing the side rotated 90 degrees from the prior picture.<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhxQFueHyiEhn-FokrH7YGJb8EhrKuAti-jH2F8bq84LSHHr0hxxJKQO3wHbqcieCdlmeSRHQc7cnV4XNm2b6snjml5AZ3L5jdBBnNX0x36bxNBwuII5aMqqrF2_xDNcdkxN9MiGb0Y9hW-/s2000/IMG_8831.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1679" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhxQFueHyiEhn-FokrH7YGJb8EhrKuAti-jH2F8bq84LSHHr0hxxJKQO3wHbqcieCdlmeSRHQc7cnV4XNm2b6snjml5AZ3L5jdBBnNX0x36bxNBwuII5aMqqrF2_xDNcdkxN9MiGb0Y9hW-/s320/IMG_8831.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgy2va1JQHe00uj8Q0-d6wL3TcVg5-wy0i44oevVK7APf6ZK0SxOj5i2eGNBJDFncA-AgykZ3GYTEl8Pmh8G0oXxjbP0uGjwjt0rWVcPCFHUOlvoOiG_wHcxIcacznFRq21sZhRwVHdsyhg/s2000/IMG_8832.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1503" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgy2va1JQHe00uj8Q0-d6wL3TcVg5-wy0i44oevVK7APf6ZK0SxOj5i2eGNBJDFncA-AgykZ3GYTEl8Pmh8G0oXxjbP0uGjwjt0rWVcPCFHUOlvoOiG_wHcxIcacznFRq21sZhRwVHdsyhg/s320/IMG_8832.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglfb0IGmNcQms-hC330IzwROHu1mT2jOetBtPj026K9ky8lW_vUP3zRRYDABdwi0Ta8BLuiKYfwPMLdHhZSuAAluamltI4PQjQJkTzAMIFEZsq5gXSJLVhYO5Du4s4hkE-HiFCbopuPola/s2000/IMG_8833.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1488" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEglfb0IGmNcQms-hC330IzwROHu1mT2jOetBtPj026K9ky8lW_vUP3zRRYDABdwi0Ta8BLuiKYfwPMLdHhZSuAAluamltI4PQjQJkTzAMIFEZsq5gXSJLVhYO5Du4s4hkE-HiFCbopuPola/s320/IMG_8833.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiOBGZABZ3pKq320IRxpsIvdoVj2K0bEJ9s6BY-FOUl6k0PdjwxMQeUM82vL_s29FsK54tnNb3YlLkFHhZkta7L7L5uVz-Zso8PN4P9pwcr5FmxAmd-YFJMqPAQ-9ll58UF4eJqcmBSfI4/s2000/IMG_8834.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1470" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiOBGZABZ3pKq320IRxpsIvdoVj2K0bEJ9s6BY-FOUl6k0PdjwxMQeUM82vL_s29FsK54tnNb3YlLkFHhZkta7L7L5uVz-Zso8PN4P9pwcr5FmxAmd-YFJMqPAQ-9ll58UF4eJqcmBSfI4/s320/IMG_8834.jpg" width="320" /></a></div><div><br /></div><div>Bottom of the corallum<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVAK8DTyV4WymzOhliGDajJrfQp_rPTRpe-gAac4560ate-tkcxZo2QRAr0N8MRci6ZMvkxZWqWVYBCrT8EKFrOfvwCCxjpLGdbwu0jcO0X3x8bK3UgrVYy2MV5VBix_M92hAWuTIcQhg6/s2000/IMG_8835.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1609" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiVAK8DTyV4WymzOhliGDajJrfQp_rPTRpe-gAac4560ate-tkcxZo2QRAr0N8MRci6ZMvkxZWqWVYBCrT8EKFrOfvwCCxjpLGdbwu0jcO0X3x8bK3UgrVYy2MV5VBix_M92hAWuTIcQhg6/s320/IMG_8835.jpg" width="320" /></a></div><div><br /></div><div>The second specimen shown below I found myself in the field near Louisville, KY. I wanted to make sure it was the same genera as the above specimen from Mike P. so I referred to the book by Erwin Charles Stumm; "Silurian
and Devonian Corals of the Falls of the Ohio". to help ID and found a possible match on page 25, plate 25, fig. 1-8. Stumm has several species listed but they all have a somewhat flat to funnel shaped calice with thick septa. The specimen below appears similar to that description and to the specimen above, so I am comfortable labeling it as <i>Schlotheimophyllum sp. </i>as well.<i><br /></i></div><div><br /></div><div>Specimen #2 - view of the top of the calice<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCK9KShKkOvW2qEgKQpruA9oe-h9HOla0qNZOhq41sqga_R1fQXp-y6NDE211owc-NXmiT2teFJRr1Uf4Oh73P0l1Btu-fnx144YBj3Ro7PFQ7sUFd8XmGI6YoyU8_YEXpO_aITs1hp1uf/s2000/IMG_8836.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1608" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCK9KShKkOvW2qEgKQpruA9oe-h9HOla0qNZOhq41sqga_R1fQXp-y6NDE211owc-NXmiT2teFJRr1Uf4Oh73P0l1Btu-fnx144YBj3Ro7PFQ7sUFd8XmGI6YoyU8_YEXpO_aITs1hp1uf/s320/IMG_8836.jpg" width="320" /></a></div><div><br /></div><div>Angled view of the calcie (I don't know what the foreign attachment is as there is little detail preserved. Perhaps a brachiopod or another coral established itself prior to buiral?)<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikhkDnE6GBoM3lPz1SK52KxhLt7sGTEPDrgS5AEIVGv5L813zpPFXcRKh_zdRrCQvjP61KSvek9qKf8HRfnMQ0-N2NbMedL7buRJPV-zFrQGaWrD2d3_Mw7k1g2eqpoqIBoCucLy5nzIUI/s2000/IMG_8837.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1528" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEikhkDnE6GBoM3lPz1SK52KxhLt7sGTEPDrgS5AEIVGv5L813zpPFXcRKh_zdRrCQvjP61KSvek9qKf8HRfnMQ0-N2NbMedL7buRJPV-zFrQGaWrD2d3_Mw7k1g2eqpoqIBoCucLy5nzIUI/s320/IMG_8837.jpg" width="320" /></a></div><div><br /></div><div>Side views of the corallum with each subsequent picture showing the side rotated 90 degrees from the prior picture.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhftOdqcsANZQkS4YDpAsplMr_p-lzoSC2kNyRHQJxLL4BnxtD1edPBEyQK1CtHHy_7S4z1CQkqGBL02cufM5Ld7tjH35pugod5xo674Yr7NnxgBN4GaC3d_Vo9fFh71CxjKJHpvRgpDTPJ/s1879/IMG_8838.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1879" data-original-width="1807" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhftOdqcsANZQkS4YDpAsplMr_p-lzoSC2kNyRHQJxLL4BnxtD1edPBEyQK1CtHHy_7S4z1CQkqGBL02cufM5Ld7tjH35pugod5xo674Yr7NnxgBN4GaC3d_Vo9fFh71CxjKJHpvRgpDTPJ/s320/IMG_8838.jpg" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9tOph4Z4xyNMBfAI96xK1DtrI1bhVJY-ZlXIOqwxhxeYq-7Ca9M-z0cXoxff9WlhCE3jCNJAoOtQFB_zPxpabF6tLmrU13_fo3N4yQ0XcedmsGxZvjvZFb7vkXdgQRlLqIE_xmCBtrccw/s1821/IMG_8839.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1751" data-original-width="1821" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9tOph4Z4xyNMBfAI96xK1DtrI1bhVJY-ZlXIOqwxhxeYq-7Ca9M-z0cXoxff9WlhCE3jCNJAoOtQFB_zPxpabF6tLmrU13_fo3N4yQ0XcedmsGxZvjvZFb7vkXdgQRlLqIE_xmCBtrccw/s320/IMG_8839.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTXXA_ZZysZ9oAFix03TlcdMxMNz2M9duwpEqPphJcb2BNLmn39lcc10mm0e4iogc3AGype939y3qwzSwuJIPGRcZ5dD-2dtdY3mQA44U_oVCAUH9vLnEH_VOsx6QzfmoKfjtp5SVln7vY/s1706/IMG_8840.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1706" data-original-width="1697" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTXXA_ZZysZ9oAFix03TlcdMxMNz2M9duwpEqPphJcb2BNLmn39lcc10mm0e4iogc3AGype939y3qwzSwuJIPGRcZ5dD-2dtdY3mQA44U_oVCAUH9vLnEH_VOsx6QzfmoKfjtp5SVln7vY/s320/IMG_8840.jpg" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEguQtT88GJzQDqrGMELRUNMfaxryCbxm6uJ52qqLTVRzloYAomkixCNdWX0eIptWfmNy9GPzl_L6iqfiJtcbdEzV_Rsi5dQZGwMEnoAQAetzJ-sTZVbcQa5wwZRZxfhkryNrzuHNkluYHaE/s1931/IMG_8841.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1931" data-original-width="1780" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEguQtT88GJzQDqrGMELRUNMfaxryCbxm6uJ52qqLTVRzloYAomkixCNdWX0eIptWfmNy9GPzl_L6iqfiJtcbdEzV_Rsi5dQZGwMEnoAQAetzJ-sTZVbcQa5wwZRZxfhkryNrzuHNkluYHaE/s320/IMG_8841.jpg" /></a></div><div><br /></div><div>A view of the bottom of the corallum<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkBNlNnmpXsUrI1pQBKQv1WPLmEm81L8jUJZrS97-npHRP_zhcLmNKO6Fw6yYq5b6aGlDNgJsSbD1hFxv13d8W5w2dk7Yiswn83z6OGp4f560JhlhMgVMKa1mUYaxI2Eh1MnHJsimLxemA/s1763/IMG_8842.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1573" data-original-width="1763" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkBNlNnmpXsUrI1pQBKQv1WPLmEm81L8jUJZrS97-npHRP_zhcLmNKO6Fw6yYq5b6aGlDNgJsSbD1hFxv13d8W5w2dk7Yiswn83z6OGp4f560JhlhMgVMKa1mUYaxI2Eh1MnHJsimLxemA/s320/IMG_8842.jpg" width="320" /></a></div>
<br />These specimens come from the Lousiville Limestone near Louisville, KY and are dated to the Silurian period (Homerian to Gorstian stage).
<br /><br />
References: Stumm, E. C. (1964). Silurian and Devonian corals of the falls of the Ohio. New York: Geological Society of America. Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-86259158994135157692020-08-05T16:06:00.014-07:002020-08-05T16:06:00.182-07:00Tryplasma prava from the Lousiville Limestone<div>This next coral comes from the Lousiville Limestone near Louisville, KY. It was found at a site of mixed eroded material from both the aforementioned formation and the Jeffersonville Limestone. It's a small coral with a distinct looking calice that is flat near the edge but very straight and deep.</div><div><br /> </div><div>I used the book by Erwin Charles Stumm; "Silurian
and Devonian Corals of the Falls of the Ohio". to help ID and found a possible match with <i>Tryplasma prava </i>on page 51, plate 6, fig. 1, 3, 7-8. In his description Stumm says "Exterior typically very closely annulated with superposed former (calice) margins 0.5-3mm apart." and "(Calice) walls steeply sloping to vertical with shallowly inwardly sloping margin in some specimens."</div><div><br /></div><div>Those descriptions match this specimen very well as it does have what appear to be multiple calice growths (perhaps a sign of rejuvenation or just the growth habit of the coral) as well as having steep walls in the calice itself.<br /></div><div><br /></div><div>This and the next two pictures are the sides of the specimen as seen rotated 120 degrees from the prior picture.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGDs6FqwdUQ-8N5XSyhSidn8v1g5QyNCqUouv0LKQZ7gUUTGWz5aI9AQ5hdTBMGdGXYfTVQAs0-s0mm293zTCFrMp3U0e0bqRURKXmugArPqaS_THpk7I2sNExCD1_40Wn4UeowzmFJ7Ff/s2026/IMG_8794.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2026" data-original-width="1623" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGDs6FqwdUQ-8N5XSyhSidn8v1g5QyNCqUouv0LKQZ7gUUTGWz5aI9AQ5hdTBMGdGXYfTVQAs0-s0mm293zTCFrMp3U0e0bqRURKXmugArPqaS_THpk7I2sNExCD1_40Wn4UeowzmFJ7Ff/s320/IMG_8794.jpg" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixU8iI2BqQ3gbiJYvZowjoxLPqtutpK54NQqRLIH9zYlZb9vnB6Y4R0xYefIVpqCS5y2WEVGlBIpljUzRm4yVayA41J_p-1byp9x4thNKHRYYM2SB5TObii-0dcNoBTlqYAUDDeEH_kO9s/s1802/IMG_8796.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1802" data-original-width="1346" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixU8iI2BqQ3gbiJYvZowjoxLPqtutpK54NQqRLIH9zYlZb9vnB6Y4R0xYefIVpqCS5y2WEVGlBIpljUzRm4yVayA41J_p-1byp9x4thNKHRYYM2SB5TObii-0dcNoBTlqYAUDDeEH_kO9s/s320/IMG_8796.jpg" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGz-EQtwNZTaeMbsSw7RxknfcNh_9Q7GBjY0qR_otfSIoQGrXNK4_akyUsT0QiiZhNoqrziAzvGIDmX4WLnWGH1mPsWy0V0V8KzUr3BOs-UkK2a-THVMdHbwFU6n4yER8tHTWAwz175bHD/s1692/IMG_8797.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1692" data-original-width="1357" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGz-EQtwNZTaeMbsSw7RxknfcNh_9Q7GBjY0qR_otfSIoQGrXNK4_akyUsT0QiiZhNoqrziAzvGIDmX4WLnWGH1mPsWy0V0V8KzUr3BOs-UkK2a-THVMdHbwFU6n4yER8tHTWAwz175bHD/s320/IMG_8797.jpg" /></a></div><div><br /></div><div>A view of the calice at an angle to show the steep walls.<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8QJ9rKh157wIA5JFzdnsI5YHgnSU2NVEhqLgJPkiTAgFE5W3ZCylncwJppaT59t8T4BzJzhxOxqjOnIEB36e3-ksxaVIyuUDRBjLuUoK54MJUA_fwbrPGmjUuSPu_Xd5J9A7qHSz8GE5o/s1960/IMG_8798.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1580" data-original-width="1960" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8QJ9rKh157wIA5JFzdnsI5YHgnSU2NVEhqLgJPkiTAgFE5W3ZCylncwJppaT59t8T4BzJzhxOxqjOnIEB36e3-ksxaVIyuUDRBjLuUoK54MJUA_fwbrPGmjUuSPu_Xd5J9A7qHSz8GE5o/s320/IMG_8798.jpg" width="320" /></a></div><div><br /></div><div>Top view of the calice showing how the walls are straight to slightly sloping inward.<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhE8aF4Pp3Vk5F0VTma5WvkYVCbBFLRJxXVX9KVD0vYIdtAyOIHO2h46xmcuBfJB5bbw9_Pz1KFg33hdK59Y7LltI-baDuq1vaK2qILWMgrQQMABqaWqkvSWDRh_EmHRY0rm5ikrzBCpzKb/s2000/IMG_8800.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1532" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhE8aF4Pp3Vk5F0VTma5WvkYVCbBFLRJxXVX9KVD0vYIdtAyOIHO2h46xmcuBfJB5bbw9_Pz1KFg33hdK59Y7LltI-baDuq1vaK2qILWMgrQQMABqaWqkvSWDRh_EmHRY0rm5ikrzBCpzKb/s320/IMG_8800.jpg" width="320" /></a></div>
<br /><br />
I believe this specimen comes from the Lousiville Limestone near Louisville, KY and is dated to the Silurian period (Homerian to Gorstian stage).
<br /><br />
References: Stumm, E. C. (1964). Silurian and Devonian corals of the falls of the Ohio. New York: Geological Society of America. Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-31432607190882176032020-08-03T16:02:00.017-07:002020-08-03T16:02:01.323-07:00Strombodes shumari coral from the Louisville Limestone<div>Below are two specimens that look similar but have some differences which could mean they are not the same species. I am working from partial pieces of larger corals so the best I have been able to ID these specimens is that they are <i>Strombodes shumari</i> from the Louisville Limestone. I found them at a site near Louisville, KY a number of years ago and only got around to identifying them now. I used the book by Erwin Charles Stumm; "Silurian
and Devonian Corals of the Falls of the Ohio". to help ID and found a possible match on page 47, plate 22, fig. 1-8.</div><div><br /></div><div>The preservation of the specimens is incomplete and so I can't find all the diagnostic details to truly confirm the ID. What makes me think I may be correct that these are <i>Strombodes shumari </i>is the pattern of rejuvenation of the calice. This is seen in the specimens as a reduction of the calice diameter via continuous growth over a short horizontal and vertical distance, only to renew vertical growth. The repeated growth pattern is the key to identify this species.<br /></div><div><br /></div><div>Specimen #1 - This and the next three pictures are the sides of the specimen as seen rotated 90 degrees from the prior picture.<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimSkaWlwxKggbd9A3lCOvYM330oXcTKRMh-g9sVNp515KVjY_v2yx-ToZnui6a1La04V5TSj_5Z84Xw3J7LdyxdJR8JpxVosuvjROe9V4A5eCHm1roQ8WV3dYyXXjb1mqQrDAlhzj9DNaF/s1873/IMG_8777.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1873" data-original-width="1480" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEimSkaWlwxKggbd9A3lCOvYM330oXcTKRMh-g9sVNp515KVjY_v2yx-ToZnui6a1La04V5TSj_5Z84Xw3J7LdyxdJR8JpxVosuvjROe9V4A5eCHm1roQ8WV3dYyXXjb1mqQrDAlhzj9DNaF/s320/IMG_8777.jpg" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjajjzqmsNUfQFOb4N2QIEOlz4sHwbj0zjezwsDjVbl6qUHZpNwuFnhfnfJZUSafKrVM9eB7gKabLaYX-DTs28XghaJdkqdsNXAz665tawhbZe6cZ-dYxnE2ShNUsoB1WtfDkuG67mhGh7j/s1937/IMG_8778.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1937" data-original-width="1548" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjajjzqmsNUfQFOb4N2QIEOlz4sHwbj0zjezwsDjVbl6qUHZpNwuFnhfnfJZUSafKrVM9eB7gKabLaYX-DTs28XghaJdkqdsNXAz665tawhbZe6cZ-dYxnE2ShNUsoB1WtfDkuG67mhGh7j/s320/IMG_8778.jpg" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxq-vL7sbjpEBlSQnmMZzAC6CWDCQFvd9zxtzpj2bTacVm7YPV8lHnHqamI2zQHkD6uWlqthlstT0i45pT1Dg5-z2_lmACXtijMjj3ZT16e5G_IOJ2C22XV1emGenvhxCumTPMGqz4pRO_/s2077/IMG_8779.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2077" data-original-width="1650" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxq-vL7sbjpEBlSQnmMZzAC6CWDCQFvd9zxtzpj2bTacVm7YPV8lHnHqamI2zQHkD6uWlqthlstT0i45pT1Dg5-z2_lmACXtijMjj3ZT16e5G_IOJ2C22XV1emGenvhxCumTPMGqz4pRO_/s320/IMG_8779.jpg" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiM3l7RF0p4Y0kNTq50DEGFogUzWeuBVaJ8kUsH_Dk3S_CNhDOBMiWYr0kdyqQOA-uQqYLxpWUmZCZOb3mgAaBfGc-i3FUSjYSF-ozICLGKYUesVmjS4sZ3UKGqSSmkM2MSjd24C4u-qOOI/s2000/IMG_8780.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2000" data-original-width="1688" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiM3l7RF0p4Y0kNTq50DEGFogUzWeuBVaJ8kUsH_Dk3S_CNhDOBMiWYr0kdyqQOA-uQqYLxpWUmZCZOb3mgAaBfGc-i3FUSjYSF-ozICLGKYUesVmjS4sZ3UKGqSSmkM2MSjd24C4u-qOOI/s320/IMG_8780.jpg" /></a></div><div><br /></div><div>Specimen #1 - A closer view of the calice where the rejuvenation surface is shown.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMv5iPKyw4_StZvo1TxxR0WJq4kh3ge2U9yvotCKD-OCHJ46_PNtMC8kEMALXuyTMcpKvrLWkv2uwGfVpRcJTIAdSfA3K5oG7JBrp0SHFgous3JMWz3imomRAormnQ71Tv7QNjE38WcwWs/s2000/IMG_8781.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="2000" data-original-width="1735" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMv5iPKyw4_StZvo1TxxR0WJq4kh3ge2U9yvotCKD-OCHJ46_PNtMC8kEMALXuyTMcpKvrLWkv2uwGfVpRcJTIAdSfA3K5oG7JBrp0SHFgous3JMWz3imomRAormnQ71Tv7QNjE38WcwWs/s320/IMG_8781.jpg" /></a></div><div><br /></div><div>Specimen #2 - This and the next photo are of the side of the specimen and then turned 90 degrees. Note that this specimen only has one cycle of regrowth and has evidence of a more significant calcie size difference than the prior specimen. Perhaps this is a different genus or species, or perhaps similar evidence was not preserved as well in the prior specimen?<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUTGrP0pR7kwb0T0rihsl-fPXFVgDdAd-pSVs1qWHFOAaYiGW4Y02rvm_8SHCBADkFQswXf8auSb-91j8TID5LKRfu0Cc3gQWTJ8c8WTuFrJ2lCeRMVMkZuB6uZE62UUIM2CFPEpV9pwB8/s2000/IMG_8782.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1593" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUTGrP0pR7kwb0T0rihsl-fPXFVgDdAd-pSVs1qWHFOAaYiGW4Y02rvm_8SHCBADkFQswXf8auSb-91j8TID5LKRfu0Cc3gQWTJ8c8WTuFrJ2lCeRMVMkZuB6uZE62UUIM2CFPEpV9pwB8/s320/IMG_8782.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyrt6kmiuqxOmBXgiizW9HevLW9TUla-0Y21jkua_sBeMG3kK4XPWI1qtFZYokDQqGs85Hxdm9ORZPQS1tUBZSauI4U1Ze8NgAKFizCSdtUV6Bi45-sK4Sa7DhSMY5CS0tVpnBpIfZBTEr/s2000/IMG_8783.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1560" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgyrt6kmiuqxOmBXgiizW9HevLW9TUla-0Y21jkua_sBeMG3kK4XPWI1qtFZYokDQqGs85Hxdm9ORZPQS1tUBZSauI4U1Ze8NgAKFizCSdtUV6Bi45-sK4Sa7DhSMY5CS0tVpnBpIfZBTEr/s320/IMG_8783.jpg" width="320" /></a></div><div><br /></div><div>Specimen #2 - A closer view of the calice where the rejuvenation surface is shown.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgYCloURyuqBb5CbTKDuVTVu7nUfVn-HF7EVouTPSunZjnKGR0MoTBGotBwiym-iLk2ROPcPb_UwEV-Xpho7eiuFCM41qppGd0biSyIXd2OFywJf_mnIzHKlORE3Ku-51fZQrGxQxUB-6xf/s2000/IMG_8784.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1451" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgYCloURyuqBb5CbTKDuVTVu7nUfVn-HF7EVouTPSunZjnKGR0MoTBGotBwiym-iLk2ROPcPb_UwEV-Xpho7eiuFCM41qppGd0biSyIXd2OFywJf_mnIzHKlORE3Ku-51fZQrGxQxUB-6xf/s320/IMG_8784.jpg" width="320" /></a></div><div><br /></div><div>A view of the partially preserved cross section of the calice. <br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-Coz_wwkzXsZdyHiEnb6pO3lGC0XwgSgla-bM8auEc3YT1Jv8jnjv9bcyLOV8787gNrSKN839L3x_hc-SLDVPL0zWX1UHao8PxQQ7ZQqDg4of44sdagU4KBR0VkPMpoPmxIxxPugKPd0g/s1871/IMG_8785.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1382" data-original-width="1871" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-Coz_wwkzXsZdyHiEnb6pO3lGC0XwgSgla-bM8auEc3YT1Jv8jnjv9bcyLOV8787gNrSKN839L3x_hc-SLDVPL0zWX1UHao8PxQQ7ZQqDg4of44sdagU4KBR0VkPMpoPmxIxxPugKPd0g/s320/IMG_8785.jpg" width="320" /></a></div>
<br /><br /><div>
I believe these specimens come from the Lousiville Limestone near Louisville, KY and are dated to the Silurian period (Homerian to Gorstian stage). <br /></div><div><br /></div>
References: Stumm, E. C. (1964). Silurian and Devonian corals of the falls of the Ohio. New York: Geological Society of America. Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-49055538688574004332020-08-01T16:04:00.001-07:002020-08-01T16:04:00.939-07:00Alveolites goldfussi from the Jeffersonville Limestone<div>This hand sized specimens looks to me to be a good example of <i>Alveolites goldfussi</i>. It comes from a site near Louisville, KY that exposed Silurian and Devonian aged rocks from the Louisville Limestone (Silurian), Jeffersonville Limestone (Devonian), as well as other possible formations. In my opinion this specimen is a good match for <i>Alveolites goldfussi</i> and looks similar to <a href="http://viewsofthemahantango.blogspot.com/2011/07/alveolites-goldfussi-from-arkona.html" target="_blank">specimens I have found in the Hungry Hollow member of the Widder formation near Arkona, Canada</a>. It is a somewhat flat specimen with some relief and layering evident. The corralites are flat lying and resemble fish scales somewhat. <i>A. goldfussi</i> was an encrusting coral that would form flat shelf like colonies.<br /></div><div><br /></div><div>Top view of specimen<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh3f3H299IP6eBaRLV3Ece0Wxq6Mln_KaPT4W1KWNtNoDZSnyh6bPZheElABbboO9FQSBC5edU845Z4dhY_ThkcIrttS6NDh25xqXDZyFhJtyH5uF38UiyUfpGUfcrGJTcg47fKqM-AAFt-/s2000/IMG_8787.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh3f3H299IP6eBaRLV3Ece0Wxq6Mln_KaPT4W1KWNtNoDZSnyh6bPZheElABbboO9FQSBC5edU845Z4dhY_ThkcIrttS6NDh25xqXDZyFhJtyH5uF38UiyUfpGUfcrGJTcg47fKqM-AAFt-/s320/IMG_8787.jpg" width="320" /></a></div><div><br /></div><div>Top view of specimen rotated 90 degrees</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8p6rzwmvMAgNEZQLxHswzhQqrnwmFGJ0dGBJll9Dvk2jNcRQ7Gri0YS1rPcI3-wVMiTCk53H3eBHcnK09JQYsDdUpKi5IWSXol6JmB5XZkNMKPLNSzFBLEO5Y1pVazwFR_cJQygJJwdq-/s2000/IMG_8789.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj8p6rzwmvMAgNEZQLxHswzhQqrnwmFGJ0dGBJll9Dvk2jNcRQ7Gri0YS1rPcI3-wVMiTCk53H3eBHcnK09JQYsDdUpKi5IWSXol6JmB5XZkNMKPLNSzFBLEO5Y1pVazwFR_cJQygJJwdq-/s320/IMG_8789.jpg" width="320" /></a></div><div><br /></div><div>Closer view of the top surface<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgORyYpI5Ge63KcH1wB5uhX6mnzN78M8HXJrAOe8MDL6piSnjfzdrlKIMF9KpfktLq1P9M_LnItGPVbM3M8qiwYcJvK1BxWWFn4qEeMxA_KFdeeQ8Ki5OFui4bsZFqxiRGYx5d3U0gSvanT/s2000/IMG_8790.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgORyYpI5Ge63KcH1wB5uhX6mnzN78M8HXJrAOe8MDL6piSnjfzdrlKIMF9KpfktLq1P9M_LnItGPVbM3M8qiwYcJvK1BxWWFn4qEeMxA_KFdeeQ8Ki5OFui4bsZFqxiRGYx5d3U0gSvanT/s320/IMG_8790.jpg" width="320" /></a></div><div><br /></div><div>A view from the side where you can see the layering and corallite openings.<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMt2wGyDdn0o-omEweTZhFt_INI2MTTdKPaLXGjYFea9gEqaMoNGzqZLuwb60K7ucr6UlXqx-SvDjFJQSAYu5Gg_zbIYShUNy7CTRDRhlil0-83Mg_6kOtUh8Q-ApgtIrxNN7VKkotyw0m/s2000/IMG_8791.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgMt2wGyDdn0o-omEweTZhFt_INI2MTTdKPaLXGjYFea9gEqaMoNGzqZLuwb60K7ucr6UlXqx-SvDjFJQSAYu5Gg_zbIYShUNy7CTRDRhlil0-83Mg_6kOtUh8Q-ApgtIrxNN7VKkotyw0m/s320/IMG_8791.jpg" width="320" /></a></div><div><br /></div><div>Underside view of the specimen.<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwqWqgW51WY2tAzPnYQakUJbpd0kwKW0NMfgtK0VQff27hvXyGmXV7nF6KNHsoW0_Hr3zOPWkOebUNOKPybU-0yjAPS-428RFCxV7oYDmUNZAmAMA8Enj4zBxz54dgLnDVV4nY554j-kPS/s2000/IMG_8792.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1500" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwqWqgW51WY2tAzPnYQakUJbpd0kwKW0NMfgtK0VQff27hvXyGmXV7nF6KNHsoW0_Hr3zOPWkOebUNOKPybU-0yjAPS-428RFCxV7oYDmUNZAmAMA8Enj4zBxz54dgLnDVV4nY554j-kPS/s320/IMG_8792.jpg" width="320" /></a></div>
<div><br /></div><div><div class="separator" style="clear: both; text-align: left;">I believe this specimen comes from the Jeffersonville Limestone near Louisville, KY and is dated to the Devonian period (Eifelian).<br /></div></div><br />
References: Stumm, E. C. (1964). Silurian and Devonian corals of the falls of the Ohio. New York: Geological Society of America. Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-4322587175474349552020-07-29T21:01:00.031-07:002020-07-29T21:01:00.187-07:00Alveolites or Cladopora sp. coral from the Jeffersonville Formation<div>Among my finds from the Jeffersonville Limestone formation near Louisville, KY, is this solitary fragment of coral. The look of the exterior kind of reminds me of a pine cone, possibly due to the triangular shaped openings. I looked through the book by Erwin Charles Stumm; "Silurian
and Devonian Corals of the Falls of the Ohio". and found a possible match on plate 68, fig. 14 to <i>Aleveolites asperus</i>. I've only ever known <i>Alveolites</i> as a genus of flat, spreading corals that occasionally formed mounds. The key features are the corallite openings that are roughly triangular shaped and lie sideways. Sometimes the specimens look a little like fish scales too. This specimen appears to have belonged to a branching coral rather than a spreading coral.</div><div><br /></div><div>I am not familiar enough with the various species found within the Jeffersonville and Louisville limestones so say for sure that this specimen is <i>Aleveolites asperus</i> but, in my opinion, it looks a bit more like <i>Cladopora roemeri </i>as seen in <a href="http://viewsofthemahantango.blogspot.com/2011/07/cladopora-from-hungry-hollow-mbr.html" target="_blank">these specimens from the Hungry Hollow member of the Widder formation, Arkona, Canada</a>. Indeed, Stumm does list <i>C. roemeri</i> as a species he lumps into <i>Alveolites winchellana </i>with a number of other species from the genus <i>Cladopora</i> (pg. 73, Plate 66, fig. 1-8). He argues that the 15 species he includes all represent partial specimens with slightly different growth habits that were described separately. Unfortunately I only have one partial specimen so I can't say that either ID is more correct. </div><div><br /></div><div>Below are three profile views of the sides of the specimen. Each picture the specimen is rotated roughly 30 degrees.<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrVR697wojBNEsPyRL1nwlBNc3swqnZsjg0EYt_ii5jSamykbQJjPh3YK7oIkpk6wvg0bR7cBS771nxU-oezO5WGpzyrX2fGRFEQDR9LcHHzfBfiegOqE6wZxP5uVSpbi-MX5kK8_rLsr9/s2000/IMG_8766.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1573" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrVR697wojBNEsPyRL1nwlBNc3swqnZsjg0EYt_ii5jSamykbQJjPh3YK7oIkpk6wvg0bR7cBS771nxU-oezO5WGpzyrX2fGRFEQDR9LcHHzfBfiegOqE6wZxP5uVSpbi-MX5kK8_rLsr9/s320/IMG_8766.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqQIQp3imcCnGXcGBMd7Z2FEw3TX1-Wxen53jybc2wqPpSGm7iE3X5q5wSzs-FaL-puLy3DS2WbL-pZZ3AqolRT-q4-AD6OXWaNDNeSJmaEDBynNXH8ccsAcjQiJZo_4P74hCm4AoIeiaE/s2000/IMG_8767.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1598" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiqQIQp3imcCnGXcGBMd7Z2FEw3TX1-Wxen53jybc2wqPpSGm7iE3X5q5wSzs-FaL-puLy3DS2WbL-pZZ3AqolRT-q4-AD6OXWaNDNeSJmaEDBynNXH8ccsAcjQiJZo_4P74hCm4AoIeiaE/s320/IMG_8767.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiDpzXMI1UeRBWa8m_CJAa90Z8wQDxUq7nOgcwbYJH2uB8sXFY-qTIjxNkSJLJ1zPHutsSQQ67Hk_ldvDKJ7KXHMEPDC2OW-3ozdRKmWZCY6NapMclwwsyF3q9tGPXCBAPoQ-RXk3HmL7uj/s2000/IMG_8768.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1556" data-original-width="2000" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiDpzXMI1UeRBWa8m_CJAa90Z8wQDxUq7nOgcwbYJH2uB8sXFY-qTIjxNkSJLJ1zPHutsSQQ67Hk_ldvDKJ7KXHMEPDC2OW-3ozdRKmWZCY6NapMclwwsyF3q9tGPXCBAPoQ-RXk3HmL7uj/s320/IMG_8768.jpg" width="320" /></a></div><div><br /></div><div>Cross sectional view of the specimen.<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEguY7iF3BU_yrGGbkcEn4KoTh3L7L7eLangg364g_iiTX5P6hvi9naBxKRYK1AF4-3AJUfKHCaewbk75XTtLAIX7eCS8eogb6AnCWzIfoYdrAauKR690Fqi7v2bhdYVs3fRaqBnsiix0xaP/s2045/IMG_8769.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1559" data-original-width="2045" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEguY7iF3BU_yrGGbkcEn4KoTh3L7L7eLangg364g_iiTX5P6hvi9naBxKRYK1AF4-3AJUfKHCaewbk75XTtLAIX7eCS8eogb6AnCWzIfoYdrAauKR690Fqi7v2bhdYVs3fRaqBnsiix0xaP/s320/IMG_8769.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: left;">This specimen comes from the Jeffersonville Limestone near Louisville, KY and is dated to the Devonian period (Eifelian). <br /></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;">References: Stumm, E. C. (1964). <i>Silurian and Devonian corals of the falls of the Ohio</i>. New York: Geological Society of America. </div>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-77380221686424350092020-07-27T07:15:00.001-07:002020-07-27T07:15:00.992-07:00Gibbulinella dealbata Gastropod from the Canary Islands<div class="separator" style="clear: both; text-align: left;">This last set of fossils from the Canary Islands are small and delicate. I received these as part of an exchange with a collector from Spain. He sent me the cluster of partial shells shown below. The shells are very thin and so were packed in cotton to give them some cushioning.<br /></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: left;">Cluster 1<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUBVzHV9jbB6iOCZkMr0qG4h_IxRGo6dB4lL4GU_jTqB4nqtyW9_xiw7w87mCOv_MOdzekhkX5_xGoo2XFAhwjv-d-3BZFDllMo6-idYYjkEBAegDRiMH4_rxAH58vxKiq2f5iUsU7wsI8/s1200/IMG_8435.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUBVzHV9jbB6iOCZkMr0qG4h_IxRGo6dB4lL4GU_jTqB4nqtyW9_xiw7w87mCOv_MOdzekhkX5_xGoo2XFAhwjv-d-3BZFDllMo6-idYYjkEBAegDRiMH4_rxAH58vxKiq2f5iUsU7wsI8/s320/IMG_8435.jpg" width="320" /></a></div>Cluster 2<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKM220gcyksS66TAXcz0re7-yjHTfDQDJ3cClWNdaCl5QNv8lGG3rYslC9W6rtJT9XLFHz05LsVtxewp_KaHHtnsTuSwv90xf0oqOFBQ5GuFMIrz7_ct-o8OC1IlE8B_Brul3Ybet-h6hE/s1200/IMG_8436.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKM220gcyksS66TAXcz0re7-yjHTfDQDJ3cClWNdaCl5QNv8lGG3rYslC9W6rtJT9XLFHz05LsVtxewp_KaHHtnsTuSwv90xf0oqOFBQ5GuFMIrz7_ct-o8OC1IlE8B_Brul3Ybet-h6hE/s320/IMG_8436.jpg" width="320" /></a></div><div><br /></div><div></div><div>I also received this loose shell which is in good condition. The label that was included listed these fossils as coming from near the town of Bajamar, on the island of Tenerife. The label had them named as "<i>Napaeus lajaensis</i>" but a search on Google of that species yielded examples that did not match the specimens I have in hand. <i>N. lajaensis</i> is a more high spired shell with the tip of the shell being pointed, not rounded to near flat like my specimens. A little bit more searching and I believe I found a more likely candidate: <i>Gibbulinella dealbata</i>. <a href="https://en.wikipedia.org/wiki/Gibbulinella">This page from Wikipedia</a> shows an example that is much closer to what I have, and it lists it as being found in the Canary Islands.</div><div><br /></div><div>So I am comfortable changing the label to <i>Gibbulinella dealbata</i> as that seems to be a closer match.</div><div><br /></div><div>Right profile<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj421reOX4AkzKXtFWtHFCBRpIBxUQ6QcZDvgw1keDnp-HlKeQRAVqByQN-9KSDkfgWZvT_MjKHT56jfZz6qge8zkEZnX730ASLw5Kl8qYtnQpeajAVHeSr7hxbI96L8Q_FjJXv9B63GSv0/s1200/IMG_8437.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj421reOX4AkzKXtFWtHFCBRpIBxUQ6QcZDvgw1keDnp-HlKeQRAVqByQN-9KSDkfgWZvT_MjKHT56jfZz6qge8zkEZnX730ASLw5Kl8qYtnQpeajAVHeSr7hxbI96L8Q_FjJXv9B63GSv0/s320/IMG_8437.jpg" width="320" /></a></div>Operculum<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh7Ly1hve0n9NeTEmXTuYe1fcfAkPYkCsICCA-3gvlFSZtIddmHo-U18oyzrAyL3F2JzsW70L3mh1nrnuMKYB7tZCTVHRJu4VrozHtBvdHiFHegmtlNfKJMulrC_oMGixvgpU2hA7rjhnva/s1200/IMG_8438.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh7Ly1hve0n9NeTEmXTuYe1fcfAkPYkCsICCA-3gvlFSZtIddmHo-U18oyzrAyL3F2JzsW70L3mh1nrnuMKYB7tZCTVHRJu4VrozHtBvdHiFHegmtlNfKJMulrC_oMGixvgpU2hA7rjhnva/s320/IMG_8438.jpg" width="320" /></a></div>View of tip looking towards operculum<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrC3BW_dACU-DZJ8D57Bgf2r_vX4QPKF0HLs2ElWxIXcFLkOLxSUn5GagvqYuFjIWsbNBXu8yz6kQC5FwHARIuCzB6cvIgce3mj85YHPxyKQpmu0ZMNniYTQXLrYN8_tpMCmpNCUZj_FG0/s1200/IMG_8441.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrC3BW_dACU-DZJ8D57Bgf2r_vX4QPKF0HLs2ElWxIXcFLkOLxSUn5GagvqYuFjIWsbNBXu8yz6kQC5FwHARIuCzB6cvIgce3mj85YHPxyKQpmu0ZMNniYTQXLrYN8_tpMCmpNCUZj_FG0/s320/IMG_8441.jpg" width="320" /></a></div>View of the bottom looking from the operculum towards the tip.<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgttRdG69q6SJvGOmAfGHAhyphenhyphenLWMJ54AVLYOvdqGq7NPzFFIloii4WY4gI8fd40crXEXHgV6_o8X6OZmRK8iQ-eEaK4FURc-7FBASFU3kmyd4PoK3-sztebOkoDxBKRZ2B3NLH-HFQKgNi_9/s1200/IMG_8445.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgttRdG69q6SJvGOmAfGHAhyphenhyphenLWMJ54AVLYOvdqGq7NPzFFIloii4WY4gI8fd40crXEXHgV6_o8X6OZmRK8iQ-eEaK4FURc-7FBASFU3kmyd4PoK3-sztebOkoDxBKRZ2B3NLH-HFQKgNi_9/s320/IMG_8445.jpg" width="320" /></a></div><div><br /></div><div></div><div>This fossil is Pleistocene in age and comes from fossilized dune
deposits on the island of Tenerife in the Canary Islands, Spain.</div><div><br /></div><div><br /></div><div><br /></div><div><br /></div>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-6893297703480614612020-07-23T21:01:00.000-07:002020-07-23T21:01:00.714-07:00Thais sp.? gastropod from the Canary Islands<div>Below is a gastropod fossil from near the town of Taganana on the island of Tenerife, Canadry Islands, Spain. The label that came with it identified it as "<i>Thais speciosa</i>". I received this fossil in an exchange with a collector in Spain so I believe it should read "<i>Thais sp.</i>", meaning the collector did not know what species within the genus of <i>Thais </i>this fossil belonged to. I am not able to ID the shell down to the species level either, and am unsure if it even belongs in the <i>Thais </i>genus and the exterior shell ornamentation does not match anything I can find on Google.</div><div><br /></div><div>The shell is longer than it is wide but does not have a high spiral. The shell is thicker than the land snail shells I received in the same trade so perhaps it is marine in origin?<br /></div><div><br /></div><div>I could be wrong though, any readers of this blog have an idea what this shell is?</div><div></div><div><br /></div><div>Looking from the tip down the axis of the shell<br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjG228Se6ft9iyfiHmbr8gdDAGLVzEMlKT9aTrhf92kqoo167W4mMYJUrHxRSIghHx87Z4Vp9WixxpmXsqZqV04_1TOtYkjV_UYHtVX5ERhz3Iv44MZAAEYzMEkbr-uHzYTVBKqDzT_2ujV/s1200/IMG_8429.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjG228Se6ft9iyfiHmbr8gdDAGLVzEMlKT9aTrhf92kqoo167W4mMYJUrHxRSIghHx87Z4Vp9WixxpmXsqZqV04_1TOtYkjV_UYHtVX5ERhz3Iv44MZAAEYzMEkbr-uHzYTVBKqDzT_2ujV/s320/IMG_8429.jpg" width="320" /></a></div>Profile with operculum<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBlc0C0XGgb5FtXrMwfFGS4D-XfclsBl69LP4gX1YKYj_zeGBiCb01Og9aOfDUFn7i6KJWd-GoehAERYO5371HbLpK1EcM9EpLwpB81nkXlxgCV0-ZRik0vVjzaxqmkqxc4p_pFRSLBM8n/s1200/IMG_8430.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBlc0C0XGgb5FtXrMwfFGS4D-XfclsBl69LP4gX1YKYj_zeGBiCb01Og9aOfDUFn7i6KJWd-GoehAERYO5371HbLpK1EcM9EpLwpB81nkXlxgCV0-ZRik0vVjzaxqmkqxc4p_pFRSLBM8n/s320/IMG_8430.jpg" width="320" /></a></div>Looking at the bottom down the axis of the shell<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2fj_-TM4VQtFkx2k63IS1lvmivWW_WLlGuSavB086CRUVNJY0vohyfjzDptWSaGDdPBSaVmhPOLN0bbewHzSYYTUn24ZBYoNw1DcZJosiGVP5TDs85KCjfD0hjW6Khfb2Q_lFjK1NIEdm/s1200/IMG_8431.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2fj_-TM4VQtFkx2k63IS1lvmivWW_WLlGuSavB086CRUVNJY0vohyfjzDptWSaGDdPBSaVmhPOLN0bbewHzSYYTUn24ZBYoNw1DcZJosiGVP5TDs85KCjfD0hjW6Khfb2Q_lFjK1NIEdm/s320/IMG_8431.jpg" width="320" /></a></div>Profile without operculum<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1x4aar9OLkWdm5N5Dl3XYc3mwfMmkS-Cuw0HMKzQ8Jw02X1XdviVKt9AonwqyaQmCdpyVqYSPekyxlEALCnnOkfKtsez8JXVs3bY6bwsTh7EW5hyL3rcrntW2ceQhqR5uHGaxiR_TY6wp/s1200/IMG_8432.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1x4aar9OLkWdm5N5Dl3XYc3mwfMmkS-Cuw0HMKzQ8Jw02X1XdviVKt9AonwqyaQmCdpyVqYSPekyxlEALCnnOkfKtsez8JXVs3bY6bwsTh7EW5hyL3rcrntW2ceQhqR5uHGaxiR_TY6wp/s320/IMG_8432.jpg" width="320" /></a></div><div><br /></div><div>This fossil is Pleistocene in age and comes from soil
deposits on the island of Tenerife in the Canary Islands, Spain.</div>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-53712755482792740882020-07-21T06:40:00.000-07:002020-07-21T06:40:02.122-07:00Hemicycla collarifera gastropod from the Canary Islands<div>In a previous post I wrote about an insect fossil from the island
of Tenerife in the Canary Islands. In the same exchange that gave me
that fossil I also received some land snail fossils from the same area. <br /></div><div></div><div><br /></div><div>Below is <i>Hemicycla collarifera</i> which is a low conispiraled gastropod similar to <i>Hemicycla consobrina</i> but has much more pronounced growth lines. <br /></div><div><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieIEN_wFNiq8qCCf9QZ2Qlj5Y3pvan2KNbP8nnBCifslITmEXb-v1QwEMvi3YoSVyrA_PNjlDIKdPcU4CpsgvEnk1ECne_Z8AzecGiW9HqEX-dWnhQr7RP8VFOsa-rLLnGsEe3UrcOb4wG/s1200/IMG_8416.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEieIEN_wFNiq8qCCf9QZ2Qlj5Y3pvan2KNbP8nnBCifslITmEXb-v1QwEMvi3YoSVyrA_PNjlDIKdPcU4CpsgvEnk1ECne_Z8AzecGiW9HqEX-dWnhQr7RP8VFOsa-rLLnGsEe3UrcOb4wG/s320/IMG_8416.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZbNNqTHpkSLg0_F7E9nCv0meGnw-jdlh0ZKB-ultl8kfof_Z5u8STOi2lR-K2zwx8ZuXjGFQmgW948k2Q5bJ0wX3ZIG3NLwHYj6pIoCp4043U86kIHHFmLpt6bAbABr00bZboTNwPb3vm/s1200/IMG_8424.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiZbNNqTHpkSLg0_F7E9nCv0meGnw-jdlh0ZKB-ultl8kfof_Z5u8STOi2lR-K2zwx8ZuXjGFQmgW948k2Q5bJ0wX3ZIG3NLwHYj6pIoCp4043U86kIHHFmLpt6bAbABr00bZboTNwPb3vm/s320/IMG_8424.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjdfWMnBLrE-x6NXEzxvS-DlzlpAZlqgmA3Z7eg_pmYDPAw0zEIb-cOlpJWhARKsy40Zxg1yDCAYlDyKszqVogLBbvB4SdYJEz5kQF9VkpO05SzxWifK-uRxGF_VfD0YaT_o4c7S9qnGtuD/s1200/IMG_8425.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjdfWMnBLrE-x6NXEzxvS-DlzlpAZlqgmA3Z7eg_pmYDPAw0zEIb-cOlpJWhARKsy40Zxg1yDCAYlDyKszqVogLBbvB4SdYJEz5kQF9VkpO05SzxWifK-uRxGF_VfD0YaT_o4c7S9qnGtuD/s320/IMG_8425.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKKY3DeZG3YKpibV5EBDsFAonuMtw7pgkMqnKtJ0dhNmibu0XYc4IGX6ph8U5kHoKdMRGT0BjI9akRThR92xZVhPuiwbI45Y-JfHdiQ35HXHkhFbh-GNhTs2UXxNG8_1LT4tppnub55D5Y/s1200/IMG_8426.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhKKY3DeZG3YKpibV5EBDsFAonuMtw7pgkMqnKtJ0dhNmibu0XYc4IGX6ph8U5kHoKdMRGT0BjI9akRThR92xZVhPuiwbI45Y-JfHdiQ35HXHkhFbh-GNhTs2UXxNG8_1LT4tppnub55D5Y/s320/IMG_8426.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYtOY-2zp5eR4j-L8NLwwIeZNOWm2TYIe_xRM_GQKnSuvLabxxC9V80Q371OEv9kpsRxOaZEMNq9ZmQNwdBaeSJ1CgRZFxqnBALwCh6iJv9lQizIiBEbRdnX5id4ceegTSIBuWspAOT7LE/s1200/IMG_8427.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYtOY-2zp5eR4j-L8NLwwIeZNOWm2TYIe_xRM_GQKnSuvLabxxC9V80Q371OEv9kpsRxOaZEMNq9ZmQNwdBaeSJ1CgRZFxqnBALwCh6iJv9lQizIiBEbRdnX5id4ceegTSIBuWspAOT7LE/s320/IMG_8427.jpg" width="320" /></a></div><div></div><div><br /></div><div><br /></div><div>This fossil is Pleistocene in age and comes from fossilized dune
deposits near the town of Bajamar on the island of Tenerife in the Canary Islands, Spain.</div>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-61061961404259158452020-07-18T06:23:00.000-07:002020-07-18T06:23:06.584-07:00Hemicycla consobrina gastropod from the Canary Islands<div>In a previous post I wrote about an insect fossil from the island of Tenerife in the Canary Islands. In the same exchange that gave me that fossil I also received some land snail fossils from the same area. Below is <i>Hemicycla consobrina</i> from Bajamar on the island of Tenerife.</div><div><br /></div><div><i>Hemicycla consobrina</i> is a low conispiraled gastropod very typical of most land snails that one finds in the woods. The shell is relatively smooth but faint ridges (growth lines) are visible.<br /></div><div><br /></div><div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2-cZ0FDfIJ7YJWhKwrAJ1PFhQCraUwiIfKYJIvQ0-M6lgI-8InULK55QNlx6s2oRCbWyYwnBTuk9bCbcky0p_Ka-qNpqXQmJnxDPuLZDMAAQUJQslzFzB6rZyoLoddFB_FwAnI04i2O0G/s1200/IMG_8414.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2-cZ0FDfIJ7YJWhKwrAJ1PFhQCraUwiIfKYJIvQ0-M6lgI-8InULK55QNlx6s2oRCbWyYwnBTuk9bCbcky0p_Ka-qNpqXQmJnxDPuLZDMAAQUJQslzFzB6rZyoLoddFB_FwAnI04i2O0G/s320/IMG_8414.jpg" width="320" /></a></div></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvpifjaHEbYExARuYShD_tWdbnI6i9X9oWEKFm5MF97irbiVmiP8H1etzlMcIrGX4ui_mCXFo10owGk245TQL4otOo6C5zMl9nURreHYLgwbwSeU9I_4lJv_ppA4A1l_mfXYgrWBmCsRr1/s1200/IMG_8410.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvpifjaHEbYExARuYShD_tWdbnI6i9X9oWEKFm5MF97irbiVmiP8H1etzlMcIrGX4ui_mCXFo10owGk245TQL4otOo6C5zMl9nURreHYLgwbwSeU9I_4lJv_ppA4A1l_mfXYgrWBmCsRr1/s320/IMG_8410.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJCUL63ibYXq7uo6asuQCoWnGCcnb31-BJ9P66gUsb1xVNUgCz9pvb1kEU5uDDmQbNdb799k1UWR1ONS1PXBXnyiDcaRvDYjC6xZaxXLCtgW-QKcxOYD4p5FvGgxRTFIp6FcdptTh3V0_u/s1200/IMG_8411.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJCUL63ibYXq7uo6asuQCoWnGCcnb31-BJ9P66gUsb1xVNUgCz9pvb1kEU5uDDmQbNdb799k1UWR1ONS1PXBXnyiDcaRvDYjC6xZaxXLCtgW-QKcxOYD4p5FvGgxRTFIp6FcdptTh3V0_u/s320/IMG_8411.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWuxp8UXHjI0-WoDsrLglSlf26T1K0UTehkC_56ttWoa0RJfnsEcET4LdwxU7rON3ARIv_QEymzhKFprqWeecL3gueTNi9IES0LWVgfpVSiT5bAf_mxyzvnWsnLJirHeoBjYeGKHjchhM5/s1200/IMG_8413.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWuxp8UXHjI0-WoDsrLglSlf26T1K0UTehkC_56ttWoa0RJfnsEcET4LdwxU7rON3ARIv_QEymzhKFprqWeecL3gueTNi9IES0LWVgfpVSiT5bAf_mxyzvnWsnLJirHeoBjYeGKHjchhM5/s320/IMG_8413.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;"><div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlrqoICQ18qw-8mJsUCuEAOuVEiLSQQmyWPx-UJJh9aGmdtfKQOUDhKaaqv0mO1yG49s90BxL9H_3HbG7jbGLVfNdRwkKxVKhKofQllvJDhVK-0RM86mk6tLlfXHtRr9RBt1BQ8PUxAFzQ/s1200/IMG_8412.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjlrqoICQ18qw-8mJsUCuEAOuVEiLSQQmyWPx-UJJh9aGmdtfKQOUDhKaaqv0mO1yG49s90BxL9H_3HbG7jbGLVfNdRwkKxVKhKofQllvJDhVK-0RM86mk6tLlfXHtRr9RBt1BQ8PUxAFzQ/s320/IMG_8412.jpg" width="320" /></a></div></div></div><div><br /></div><div>This fossil is Pleistocene in age and comes from fossilized dune deposits on the island of Tenerife in the Canary Islands, Spain.<br /></div>Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-26013599784529083332020-07-15T06:15:00.012-07:002020-07-15T06:15:00.310-07:00Fossil "bee cell" from Tenerife IslandMany years ago I exchanged fossils with another collector in Spain. Some of the fossils he sent were from Tenerife Island which is part of the Canary Islands. One of the more interesting fossils was one of a "fossil wasp nest".<br />
<br />
<br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgeelmLFkwtzPdFnOdxJUB-Q-z8ngQsBBv-j1D_POBqkmgfBMcj3JKLvOuk2bKPfcnRn17Shpg0LW2ioovNi9obHHOGh0MAuWsB09Xu17lrkhcNLhciKR7l1l76H1fPy5xwND5Dawy0soiC/s1200/IMG_8400.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgeelmLFkwtzPdFnOdxJUB-Q-z8ngQsBBv-j1D_POBqkmgfBMcj3JKLvOuk2bKPfcnRn17Shpg0LW2ioovNi9obHHOGh0MAuWsB09Xu17lrkhcNLhciKR7l1l76H1fPy5xwND5Dawy0soiC/s320/IMG_8400.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgg8c-jc0KO2qD0RMN8Q45emqJ98K8tLlOnplZ4plM0Eg-ndyg6zxR2dDi_Dp1DtIOJdBts-SYUsLLJOdiCszCdUiI9hAmOFVuMeyv_9vn1HL1t1Sn-QoiKPJHhjnmXHRg4lLVocruEKgA8/s1200/IMG_8401.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgg8c-jc0KO2qD0RMN8Q45emqJ98K8tLlOnplZ4plM0Eg-ndyg6zxR2dDi_Dp1DtIOJdBts-SYUsLLJOdiCszCdUiI9hAmOFVuMeyv_9vn1HL1t1Sn-QoiKPJHhjnmXHRg4lLVocruEKgA8/s320/IMG_8401.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJGg3djLkfO-1v7h5MXV3jpqjH46C3qae_sCF2LjLOtDiAa8rbKQdhc-f2ZfelI0BHp_V-v60SxdZmcFvMeS-ILlotkPObf1xkx7NzHQulUn6SMuFxYPk6icMOWizYxpR_L-GHYv7ZQlhk/s1200/IMG_8403.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJGg3djLkfO-1v7h5MXV3jpqjH46C3qae_sCF2LjLOtDiAa8rbKQdhc-f2ZfelI0BHp_V-v60SxdZmcFvMeS-ILlotkPObf1xkx7NzHQulUn6SMuFxYPk6icMOWizYxpR_L-GHYv7ZQlhk/s320/IMG_8403.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhATdpAVxsHlkI-dxRhhRLvuO7o79MDgf-5wrzHagEGev2i6zFM98yS8DJIW6rPRIy4dtGyFuw4jtGhOj-XLjjID1txvIfGy7MUPVW51mWASbEIuiLwLgONYOUl8KnxDJczDdIjHt7fmOgN/s1200/IMG_8404.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhATdpAVxsHlkI-dxRhhRLvuO7o79MDgf-5wrzHagEGev2i6zFM98yS8DJIW6rPRIy4dtGyFuw4jtGhOj-XLjjID1txvIfGy7MUPVW51mWASbEIuiLwLgONYOUl8KnxDJczDdIjHt7fmOgN/s320/IMG_8404.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinXc4tzBlxB2Y5pqSHpXfg05wuWKrM-mJjlfJz2QrM_H59Hu0bd73Y3LMnma8jAUilBTFu15JG71pKzYkZ3x_YwhDlAYHBNpJmYEWeJSAfy8SuyPnMRKXRWgwYEexyCX-UFlIsVLh-zYuv/s1200/IMG_8405.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEinXc4tzBlxB2Y5pqSHpXfg05wuWKrM-mJjlfJz2QrM_H59Hu0bd73Y3LMnma8jAUilBTFu15JG71pKzYkZ3x_YwhDlAYHBNpJmYEWeJSAfy8SuyPnMRKXRWgwYEexyCX-UFlIsVLh-zYuv/s320/IMG_8405.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOZQET35qmlMk2uLsKL0NaucEB6Gr6mIjanfuiS7IRHpCmnXtP5yaNqU2pq9vyou32EzhMZJ6oRhN4PhrtyMj6uMW0Y9ziI8ylReeOSX_QjrPEDEkhv9V1wsEwRde9ABvRfJ7Lftf4D2Te/s1200/IMG_8406.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="900" data-original-width="1200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOZQET35qmlMk2uLsKL0NaucEB6Gr6mIjanfuiS7IRHpCmnXtP5yaNqU2pq9vyou32EzhMZJ6oRhN4PhrtyMj6uMW0Y9ziI8ylReeOSX_QjrPEDEkhv9V1wsEwRde9ABvRfJ7Lftf4D2Te/s320/IMG_8406.jpg" width="320" /></a></div><br />
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I was dubious of the provenance of the specimen and it remained in a box until January of 2020 when I saw someone <a href="http://www.thefossilforum.com/index.php?/topic/101654-fossil-wasp-nest-id-verification/">post a similar fossil on the Fossil Forum</a>.<br />
<br />
It was then that I did some digging and found a paper online that explains these fossils: "Fossil bee cells from the
Canary Islands. Ichnotaxonomy, palaeobiology and palaeoenvironments of
Palmiraichnus castellanosi", La Roche Brier, Francisco & Genise,
Jorge & Castillo, Carolina & Quesada, María & García-Gotera,
Cristo & Nuez, Julio. (2014). Palaeogeography, Palaeoclimatology,
Palaeoecology. 409: 249–264. DOI: <a href="https://www.researchgate.net/deref/http%3A%2F%2Fdx.doi.org%2F10.1016%2Fj.palaeo.2014.05.012" rel="external nofollow noopener" target="_blank">10.1016/j.palaeo.2014.05.012</a>
<br />
<br />
Here is a quote from the paper<br />
<blockquote class="ipsQuote" data-ipsquote="">
<div class="ipsQuote_contents ipsClearfix">
<blockquote class="tr_bq">
6. Conclusions<br />
1) Fossil bee cells, attributable to the ichnospecies Palmiraichnus
castellanosi, are recorded from the Pleistocene and Holocene of the
easternmost Canary Islands. They are single cells with ovoid to<br />
subcylindrical shape and a discrete wall covering a chamber and an
antechamber. The chamber is internally polished and is sealed by a
spiral closure. The antechamber, with smooth internal walls, has a
structureless active filling of the same material from the palaeosol.
This record constitutes the first documented evidence for bees, and
Hymenoptera, in the Quaternary of the Canaries and the first one of this
ichnospecies in Africa.
<br />
<br />
2) Specimens of Palmiraichnus castellanosi are similar to extant
cells of Andrena savignyi studied herein, regarding shape, and the
presence of a discrete wall, spiral closure and antechamber. This
indicates that the members of the genus Andrena (Andrenidae) were the
trace makers of P. castellanosi in the Canary Islands.
<br />
<br />
3) The high percentage (95%) of open cells indicate a high level of
breeding success, favoured by the lack of predators or parasites and
optimal environmental conditions, at least in the Pleistocene.
<br />
<br />
4) Palaeoecological and statistical data suggest that five species
may have produced Palmiraichnus castellanosi in the Canary Islands. One
on Lanzarote in the Holocene, another in south Fuerteventura in the
Upper Pleistocene, two on Gran Canaria during theMiddle Pleistocene (one
on the north coast and the second in the east) and the last on Montaña
Clara, also in the Middle Pleistocene.
<br />
<br />
5) The abundance in the Pleistocene of Palmiraichnus castellanosi in
the lowlands, reflecting a large number of individuals and species of
Andrena, suggests a rich flora with probably many endemic shrubby
species in accordance with present and other palaeobotanical and
palaeoanthropological evidences.
<br />
<br />
6) The favourable climate attested by high densities of Palmiraichnus
castellanosi associated with helicids may have been similar to
thatprevalent at present in the lowlands of the Canaries, but probably<br />
with a higher MAP.
<br />
<br />
7) The land-snail assemblage associated with the low densities of
Palmiraichnus castellanosi in the Holocene at mid-altitude suggests a
cool moist palaeoenvironment, with lower temperatures than in<br />
the Pleistocene lowlands,more favourable for the success of the
beetle producers of Rebuffoichnus than for bees producing P.
castellanosi.
</blockquote>
</div>
</blockquote>
Some pictures from the paper:<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjLQx1QhO0R4yy7D8YPq8UG-Vt38pfRhsSd8kpdULmRDe20uON7mFQ974cKjs_JXzCtn4jwTXf7XV-hLM6gbmX-rC0BeRNucevOLuCAxmR9MxZGFCdnxbiHTvX2SR08NtbXPxAm9kxmmEl/s1600/bee1.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="930" data-original-width="1029" height="288" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjLQx1QhO0R4yy7D8YPq8UG-Vt38pfRhsSd8kpdULmRDe20uON7mFQ974cKjs_JXzCtn4jwTXf7XV-hLM6gbmX-rC0BeRNucevOLuCAxmR9MxZGFCdnxbiHTvX2SR08NtbXPxAm9kxmmEl/s320/bee1.jpg" width="320" /></a></div>
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<br /><div>While I am not 100% sure the fossil I have is one of these "Bee cells" that the paper describes, it certainly looks similar. If nothing else I at least learned a bit more about fossilization processes and paleoclimates by reading the paper.<br /></div><div><br /></div><div><br /></div>
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<br />Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0tag:blogger.com,1999:blog-9210082840621538831.post-67326589802629114742020-07-11T21:01:00.001-07:002020-07-11T21:01:04.499-07:00Philhedra crenistriata brachiopod from the Widder formation<br />
Adding another Brachiopod species to my collection from the Hungry Hollow member of the Widder formation at Hungry Hollow, Ontario is <i>Philhedra crenistriata</i>. This is an inarticulate brachiopod and uncommon to find from this location. Inarticulate brachiopods are animals that hold their shells together using their muscles as opposed to Articulate brachiopods who have a hinge and teeth system to hold the shell together.<br />
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In this case, <i>Philhedra crenistriata</i> is a type of Inarticulate brachiopod which cements one valve of it's shell to a hard substrate (typically another brachiopod, mollusk, or coral) while the other valve lifts like an umbrealla. <i>Philhedra </i>is a simple genus to ID in the field by the flat rounded shell with a central raised "beak" that is surrounded by radiating ribs. The specimen below should be both valves with the top, or dorsal valve, visible. The ventral valve is beneath the dorsal valve and is cemented to the shell beneath.<br />
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I collected this specimen from the Hungry Hollow member of the Widder formation which is Devonian in age, Givetian stage.Davehttp://www.blogger.com/profile/04692840427188426893noreply@blogger.com0