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Unknown shell

sTamprockcoin

By sTamprockcoin
in Fossil ID

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sTamprockcoin Regular Member

sTamprockcoin

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Found this this morning. As near as I can tell its from a siltstone layer of the Brallier formation. I know that there's not a lot of contrast or detail but any ID suggestions are appreciated. Its about 1 inch long. Second item showed up when I was trimming prior to prep (Its .25 inch).

2a.jpg

2b.jpg

1.jpg

“Beautiful is what we see. More beautiful is what we understand. Most beautiful is what we do not comprehend.” N. Steno

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Rockwood Regular Member

Rockwood

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The first looks like a bivalve. The second is a brachiopod.

Sorry if you were looking for genus and species, but that requires more patience than I have. :) 

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Tidgy's Dad Regular Member

Tidgy's Dad

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The brachiopod seems to be an internal mold, so is more difficult to identify.

I might be tempted to guess at Cyrtospirifer chemungensis. 

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Fossildude19 Regular Member

Fossildude19

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The brachiopod may be something like Plicoplasia plicatus.  :unsure:  

 

plicoplasia.JPG

 

 

The bivalve looks similar to Actinopteria sp.  (Maybe A. subdecussata? )

 

bivalve.JPG 

 

 

Images from Devonian Paleontology of New York David M. Linsley 1994

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sTamprockcoin Regular Member

sTamprockcoin

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Forgot that I had that pdf, I'll try to remember to check that before I ask for id help. Sorry.

“Beautiful is what we see. More beautiful is what we understand. Most beautiful is what we do not comprehend.” N. Steno

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