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Showing results for tags 'mississippian?'.
Found 3 results
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Hello, Can anyone help me ID this brachiopod? It small at 2cm across. Unfortunately I don't have any precise locality info on it, but based on the fossils I bought it with it may be Mississippian aged from Gilmore City, Iowa or LeGrand, Iowa...
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Hello, A while ago I bought this small crinoid piece labeled as "Gilbertocrinus sp." coming from Dent, Ohio. The main crown on the front is small at just over 2cm, and there is also one calyx on the backside. I suspect the genus is a typo for Gilbertsocrinus. However it does not resemble any Gilbertsocrinus I know, lacking tegmenal appendages and calyx spines. Instead I was told by a very knowledgeable collector that it resembles Pycnocrinus, an ordovician genus. More importantly, I was told that the locality of Dent, Ohio is Ordovician-aged, no Mississipian or even Devonian. So it seems the locality and ID I have for this is up in the air. Does the piece seem familiar or identifiable to any one? I'd appreciate any help, thank you.
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Found this piece just east of Chouteau, OK the area is right on the boundary of Pennsylvanian and Mississippian era rocks but I suspect this plate is Pennsylvanian. There are some pretty cool chrinoid pieces in the plate but I am specifically trying to identify the piece that looks like a piece of barbed wires in the middle of the piece. Archimedes?
