These pictures appear to show Paladin chesterensis (Weller and Weller, 1936) trilobite fossils. They were found in the Big Clifty Format...

In January 2014, I wrote about How To Be A Megalodon Shark which was about a character in a very popular smartphone game Hungry Shark Ev...

This picture shows an unidentified fossil shark tooth. It was found in the Somerset Shale of the Salem Limestone of Hardin County Kentuck...