Ordovician
Stewartville member of the Galena Formation
Southeast Minnesota
Pygidium I'm thinking...
Sorry, best pics I could get.
Ceph or enrolled?
Looks like trilo eyes staring at me, but what do you think?
This is wet to see it better. The dry pics just didn't turn out at all. The "eyes" seem white to me and are raised.
Thoughts???
Thanks for looking! :-D