I'm traveling and don't have the publications at hand to look for any
records.  In the meantime, can you tell anything about the hinge?

I think I recall some spiny anomiids from that interval, but will have
to check.

On 12/28/07, Mr EMan <[log in to unmask]> wrote:
> ID assistance needed. Let me say that I, too, hate to start without a
> photo but my system is to sort and photo summer collecting during the
> winter months. Winter is here and I am starting.
>
> At question is a spiny pelecypod about the size of a thumbnail from the
> Ripley Fm in Southwestern Georgia.  This particular specimen has both
> intrigued and frustrated me. I have seen nothing so far in which comes
> close to this specimen.  Whilst I find the specimen to photograph, I've
> been trying to get a lead on the order/family/genius/etc.
>
> The shell is a single valve about the diameter of a US Nickle. It
> resembles a run of the mill pelecypod but definitely not an oyster nor
> pectin. The remarkable feature is that this specimen is covered in
> 2-3mm long spines spaced 3-4 mm on center projecting vertically from
> the exterior surface. The spines are hair-like in diameter(.3mm?)
>
> Amazing that these spines survived 82 million years and countless feet
> walking over the shell bed. It is the only specimen of this species
> that I have found in 3 years of collecting.  Perhaps it is ultra rare
> or just overlooked owing to its size.
>
> Can anyone suggest a genius/family I can research photos/descriptions
> of while I am retrieving the find?  I hope to have a photo soon.
>
> Regards,
> Eman
>
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--
Dr. David Campbell
425 Scientific Collections
University of Alabama
"I think of my happy condition, surrounded by acres of clams"

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