This unidentified echinoid appears to be from the Cretaceous of Texas.  It was extracted from a chalk matrix by me and sand abrasive clea...

These pictures of recently cleaned trilobite fossils.  They appear to all be Phacops sp. from the Devonian Period.  My friend Dave at th...

Platystrophia cypha brachiopod fossil found in the Ordovician Grant Lake Formation of Kentucky.  These brachiopods are less plentiful th...