Two fossils are shown that might a Spyroceras cephalopod of the Mississippian Period. These fossils came from the Chesterian Zone of the...

Neochonetes granulifer brachiopod fossil found in the Kewitz Shale of the Stanton Formation of the Lansing Group of Cass County, Nebrask...

This fossil of a sauropod bone contains an elliptical shaped agate mass thought to be fossilized cancer tumor. Ouch, that looked painful!...