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Fluvana Oysters


MSirmon

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Here are a sampling of the oysters(?) I found in Fluvana last year. Any help identifying them would be appreciated but would especially appreciate direction to good research materials to help me identify the rest of them, provided they are not all variations of the same type.

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I think in Fluvanna, Texas could be the Walnut/Comanche facies. Most of your oysters looks like Exogyra, maybe some of them are Exogyra texana Roemer.
Here is a good document which could help: Stanton, T. W. 1947. Studies of some Comanche pelecypods and gastropods. USGS Professional Paper 211

 

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" We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. "

Thomas Mann

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@abyssunder is likely correct.  This oyster is now known as Ceratostreon texanum (Roemer). 

The human mind has the ability to believe anything is true.  -  JJ

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Yes, JohnJ is correct.That's the new name, also, the other from plate 30 Exogyra texana weatherfordensis Cragin is now Ceratostreon weatherfordensis, if I'm not wrong.

" We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. "

Thomas Mann

My Library

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