Here are two pictures of a pyritized Strophodonta brachiopod fossil. It was found in the Silica Formation of Sylvania, Ohio USA. The creat...

This Dalmanites sp. trilobite cephalon fossil was found in the Waldron Shale of Indiana, USA. This trilobite existed in the Silurian Peri...

These fossils appear to be  Crassatella vadosus  pelecypods (named by Morton 1834). They existed during the Cretaceous Period (about 70 m...