Friday, January 30, 2015

Paracyclas rugosa pelecypod from the Panther Mountain formation

I broke this fossil while trying to hand trim some of the excess rock from around it but it glued together pretty well. It's a Paracyclas rugosa from the Panther Mountain formation (Devonian, Givetian) at Cole Hill in Madison County, NY.  Paracyclas rugosa is a small pelecypod that is nearly circular in outline and sometimes can be confused with a terebratulid brachiopod.

I've posted several examples of this genera before from the Silica Shale, Mahantango Formation, Arkona Formation, Jeffersonville Formation and Lime Creek Formation.

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