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Unknown shell


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

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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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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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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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