Sunday, September 28, 2014

Cupularostrum prolificum brachiopod from the Silica Shale

Cupularostrum prolificum is a small ryhnchonellid type brachiopod from the Silica Shale (Devonian, Givetian stage). It is similar looking to brachiopods that are referred to as Camarotoechia and it seems as though there has been some name changes/swaps. I have not yet been able to find any papers which explain the reasoning or if both genus are valid or cospecific. The specimen below was collected in Pauldin, OH.

Brachial valve
Pedicle valve

I have found a similar looking specimen called Cupularostrum sappho in the Ludlowville Fm. along Lake Erie, NY.

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