Tennessee State Fossil - Pterotrigonia Pelecypod

The Pterotrigonia thoracica pelecypod is the official state fossil of Tennessee. It existed during the Cretaceous Period (about 70 million years ago). This fossil was found in McNairy County, Tennessee (Coon Creek Formation).

Learn more about these fossils at the Coon Creek Science Center web site: http://www.memphismuseums.org/coon_creek-overview

Fossils from the Herb Miracle collection.