Featured Fossils

Specimen UCM IP 33571
Specimen USNM 332997
Specimen UCM IP 30066
Specimen USNM 78794C
Specimen USNM 112579
Specimen FMNH PF 13108
Specimen UCM IP 33262
Specimen YPM 37921
Specimen UCM IP 36358
Florissant Fossil Beds National Monument

About Florissant Fossil Beds

Geographical Map of Florissant Fossil Beds National Park
Welcome to the Florissant fossil beds iDigPaleo site! The Florissant Formation in central Colorado preserves fossilized plants, insects, and other organisms in a 34 million year old lake deposit. This is an extremely diverse fossil site with approximately 1800 described species. Florissant provides one of the last glimpses of the flora and fauna of the Eocene just before the transition into the cooler Oligocene epoch.