Data: Thanks for your great site. I have included images of a small fossil shell I found near Lander, Wyoming.

I just started collecting and don't know enough to ID it, can you help? Please let me know if you require additional info or images.
Thank you!
Julio Jr

Send Ideas to: Julio

Identified:

Discussions: (Most recent reply listed first)

• Not sure it's a shell-looks like a piece of chert with a bump of concrete.... Dr. David C.

• It does look like a piece of chert with a lump of cement attached.... Andrew G.