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Late Cenomanian Eagle Ford Vertebrate ID


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LSCHNELLE

Please help (if possible) to narrow down the ID of this bone. It doesn't look fishy to me, unless it's a really big fish fragment. I tried to dissolve and remove the very hard matrix from around the fossil. But, it only softened the fossil more. I have put on a coating of thick cyanocrylate try and stabilize it. These are some early photos from right after I found it.

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Jared C
36 minutes ago, LSCHNELLE said:

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20230128_182020.jpg

The texture in this photo is giving me a turtle vibe, but more photos as it dries or gets revealed might give some folks other ideas :) 

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LSCHNELLE
15 hours ago, Jared C said:

The texture in this photo is giving me a turtle vibe, but more photos as it dries or gets revealed might give some folks other ideas :) 

Could it be a partial scapular process and partial acronium from a Cenomanian Protostegidae indet. or similar turtle?

 

See pictures from German paper -

PaleorXiv Papers | Protostegid marine turtle remains from the Cenomanian (Late Cretaceous) of the Kassenberg (Mülheim an der Ruhr, Western Germany)
https://paleorxiv.org/c78k3/

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Jared C

From the photos we have it looks comparable but I don't know enough to call it 100%.

 

3 minutes ago, LSCHNELLE said:

Could it be a partial scapular process and partial acronium from a Cenomanian Protostegidae indet. or similar turtle?

Fortunately, there is a central Texas Protostegid that I know of from the lower eagle ford (lake waco member). Protostega eaglefordensis

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LSCHNELLE

Thanks for your help! Seems possible then. Similar time period.

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