ID help

[Nick79]

Hi all saw this metal detecting. I know there have been marine fossils found there, do you think its something like a clam? No other pictures sorry, I just took the one pic and kept swinging for nothin but wheats lol
Thanks

 

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[NJearthman]

The trace fossil RUSOPHYCUS a trilobite resting trace

 

[Charlie P. (NY)]

^ That.

What you're seeing is the cast of a depression a Trilobite made in "digging" itself flush to the bottom for protection.

Fossils from Pennsylvania

 

[Nick79]

Thanks guys! I didn't think people found trilobite fossils in California, but your description makes sense. Maybe I'll see something else next time I make it that way

 

[madmantrapper]

We found fossils all over a property we had in Watkins Glen NY about 50 years ago. I wish I had interest in those days that I do now.

 

[Charlie P. (NY)]

I snuck onto Cargill's plant at Portland Point on Cayuga Lake and found a beautiful enrolled Phacops trilobite. Darned if I can find it now (or in the last 15 years). It kills me that I can't.