This image created by Doctor Elvira Wood and published in 1920 in The Appendages, Anatomy, and Relationships of Trilobites by Percy E. R...

The image shows an Anthonomus defossus (Scudder, 1876) snout nosed beetle insect fossil found in the Florissant Formation of Teller County...

The image shows a lacewing insect fossil found in the Florissant Formation of Teller County, Colorado, USA. It dates to the Eocene Epoch of...