What kind of fossil?

irbaddadjoe

Sr. Member
Sep 9, 2006
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6
Bridgeport, Texas

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Thanks yall. Ive been picking up fossils in my area for bout 30 years but every now and then I find one thats not in my quick reference book and one I havent seen before. Thanks for the leads.
 

fossil_femme said:
hi baddadjoe,

i'm pretty sure it is the interior mold of a spiriferid brachiopod, showing the spiral supports.


ps - i would hang on to that, as it is uncommon for the spiral supports to be fossilized.
here is an example from my collection...
 

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