Platyceras dumosum (Conrad, 1840) snail fossil found in the Jeffersonville Limestone of Jefferson County, Kentucky USA.  Animal existed ...

All I can write about this fossil is... SWEET! Okay, I will embellish it a little more. This snail fossil is interesting in that it has...

This is an amazing plate showing the fossilized remains of Uintacrinus socialis crinoids.  Picture taken at the Smithsonian National Mus...