This trilobite fossil is identified as a Spathacalymene nasuta (Ulrich, 1879). It was found in the Osgood Formation of Ripley County, Ind...

  This picture shows an interesting fossil. It is an Amecystis laevis (Raymond, 1921) which is a cystoid. It was found in Bobcaygeon Format...

Here is another Louisville area fossil on display in the Deep Time Exhibit. It is a Modiomorpha concentrica (Conrad, 1838) which is an exti...