The Exogyra sp. was found in the upper Cretaceous of McNairy County, Tennessee.  Decided to post a fossilized oyster to match a recent t...

Originally I thought this was a branching dendrite but after studying it, appears to be a graptolite fossil.  It might be a Desmograptus ...

These pictures show four different trilobite pygidiums from the Devonian Birdsong formation of western Tennessee, USA.  Identifications o...