This trilobite is a Calymene sp. found in the Waldron Shale. The fossil was found in Bartholomew County, Indiana USA and dates to the Si...

This image shows an insect fossil (Mayfly?) found in the Florissant Formation of Teller County, Colorado, USA. It dates to the Eocene Epo...

This image shows an insect fossil (Leafhopper?) found in the Florissant Formation of Teller County, Colorado, USA. It dates to the Eocene...