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Penn Dixie Invertebrate Identification


skiman1016

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I found this specimen at Penn Dixie last spring and I thought it would be good practice for prepping since I'm new to it. I at first assumed it was a piece of broken shell, but as I chipped away at it with a pin vice, I found that it was much bigger in size than I thought. I am having trouble figuring out what it actually is even though I've removed a substantial amount of material at this point. There are striations that are similar to a lot of bivalves in the area but the general shape appears more coral-like in my opinion. What does everyone else think?

IMG_7323.JPG

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Possibly a platycerid (gastropod). 

 

(Image by Laurie VanVleet):

 

2701870700_f768da3d22_b.jpg

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Maybe something like Platyceras carinatum

 

platyceras linsley.JPG

 

Image from David Linsley's Devonian Paleontology of New York, 1994

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1 hour ago, skiman1016 said:

What does everyone else think?

You have your work cut out for you.

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Thanks for the help, It definitely looks like platycerid. I’ll take a closer look at Platyceras carinatum as that seems like a good match. Now to get back to finishing the prep!

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