Specimen #1 (wet because I'd just washed off some light mud)
Specimen #2 (this one is completely dry)
The Windom shale is part of the Moscow Formation which is middle Deovnian (Givetian stage) in age.
Friday, June 20, 2014
Strophodonta demissa from Penn Dixie
A few specimens of Strophodonta demissa from the Windom Shale (Bay View Coral Bed) as found at the Penn Dixie Site near Blasdell, NY. These are smaller than the specimen I found along Lake Erie and those from Sylvania, OH, but are about the size of those I've found at Arkona.
Specimen #1 (wet because I'd just washed off some light mud)
Specimen #2 (this one is completely dry)
The Windom shale is part of the Moscow Formation which is middle Deovnian (Givetian stage) in age.
Specimen #1 (wet because I'd just washed off some light mud)
Specimen #2 (this one is completely dry)
The Windom shale is part of the Moscow Formation which is middle Deovnian (Givetian stage) in age.
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