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I need some help on trilobite, and crinoid please!


Newbie_1971

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I got out of work early and ran to take a look around and was extremely surprised! Thanks for any and all help!

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I forgot to put this one on the question plate ... no clue !

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#1 Is likely an Acidaspis or Meadowtownella free cheek. #2 looks to be a prone, but very weathered Calymenid. #3 Not sure. #4 Looks like a possible partial Dalmanatid. #5 I can't tell from the photo. A genus level ID would be easier to access if you can list more provenance, like geologic formation or county found.

Edited by Collector9658
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21 minutes ago, Collector9658 said:

#1 Is likely an Acidaspis or Meadowtownella free cheek. #2 looks to be a prone, but very weathered Calymenid. #3 Not sure. #4 Looks like a possible partial Dalmanatid. #5 I can't tell from the photo. A genus level ID would be easier to access if you can list more provenance, like geologic formation or county found.

Lawrenceburg Indiana

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4. Tricopelta breviceps

5. Some rhynchonellid brachiopod squashed by a crinoid.

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I wasn't aware that breviceps were even in this area?

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Your are correct; it isn’t because this is actually the much rarer Achatella carleyi. That cephalon has to be there.

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