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minnbuckeye

Crinoid cup or not???

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minnbuckeye

My last excursion into the fossiliferous rocks of SE Minnesota turned up this small plate of crinoidal material. I kept it because the one center piece looks a bit like a small crinoid cup to an uneducated eye (mine). This is TINY, about 3 mm in width. Cup?? If so, any genus/species to attach to it. Thanks for looking. @crinus

 

Mike

 

2019-06-031.thumb.jpg.b7b105ac7863fd8839b1eb1e865c3982.jpg

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Herb

crinoid stem pieces

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Mark Kmiecik

Crinoid parts for sure. As far as genus and specie is concerned, you are best off researching which formation you found them in and then finding out what is found in that formation and comparing your specimen to those. You may still not have enough "bits" to make a positive ID.

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crinus

I don't think those plates are part of the calyx.  The stem goes through it.  I think it is part of the stem.  Is this Ordovician?  I have never seen stems like that in my Ordovician.

Joe

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abyssunder

In my opinion, all the visible parts are crinoid pluricolumnals.

Very nice find! :)

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minnbuckeye

@crinus, Just to yank your chain a bit, read my heading-

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crinus
12 hours ago, minnbuckeye said:

@crinus, Just to yank your chain a bit, read my heading-

 

Never read the fine print.

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