These image appear to be the Lichenalia cocentrica bryozoan fossil. They existed in the Silurian Period. The fossils were found in the W...

This image shows an insect fossil with compound eyes. The fossil was found in the Florissant Formation of Teller County, Colorado, USA. ...

This image shows a unidentified flower fossil found in the Florissant Formation of Teller County, Colorado, USA. It dates to the Eocene ...