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Fossil Identification


Part of Trilobite Pygidium or ??


Oohlala   03-09-2019 at 02:32

Oohlala
Junior Member
Registered: 03-09-2019
Messages: 3







I found this while hunting for agates in a quarry in the Driftless region in Wisconsin along the Iowa border. I was thrilled to discover a tiny fossilized leaf but on closer inspection (and other input), I don't believe this to be a leaf.
Please note that there appear to be pores and there is an appearance of something faintly looking like a tail or stem at the bottom of the close-up picture.
I attached the final picture not knowing if other fossil object remnants or not, and if these could give further clues.
Any assistance on identification would be appreciated. Thanks!

 
Masterofearth   03-09-2019 at 10:55

Masterofearth
Senior Member
Registered: 13-10-2015
Messages: 438

I cannot help on an identification but YES this is part of a Trilobite pygidium. Nice find! The marks on the back do not look like anything I know.

Cheers,

Pim

 
Oohlala   04-09-2019 at 03:33

Oohlala
Junior Member
Registered: 03-09-2019
Messages: 3

Thanks a lot, Pim! I honestly don't know what characteristics make this so, as I am a newbie, but I really appreciate your assistance! I plan to learn a bit more about this.

 
hubertus68   04-09-2019 at 06:30

hubertus68
Senior Member
Photo Moderator
Registered: 12-11-2012
Messages: 2599

Couldn't this be an imprint of some sort of bivalve too?
Do you know something about the stratigraphic origin of the piece?


Best wishes,
Oliver

 
Oohlala   04-09-2019 at 12:56

Oohlala
Junior Member
Registered: 03-09-2019
Messages: 3

Hi. It was discovered in a dirty rock pile in a quarry while looking for agates. Sorry. so the region is all I know.

 
Frederik   10-09-2019 at 10:27

Frederik
Moderator
Photo Moderator
Registered: 28-09-2003
Messages: 8635

Without a doubt, this is an imprint of a trilobite tail section. The 'pores' are tubercle imprints. Without stratigraphic context, it is very difficult to ID this specimen.


____________________________
Try to learn something about everything and everything about
something (TH Huxley)

 




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