Trionyx Turtle Fossil

 

Above is an image of a soft-shelled turtle fossil called Trionyx sp. (Geoffroy Saint-Hilaire, 1809). This turtle fossil dates to the Eocene Epoch between 54.8 and 33.7 million years ago. It was found Fossil Lake, Wyoming, USA. The French naturalist Étienne Geoffroy Saint-Hilaire (1772–1844) named this genus in 1809.

The fossil was on display in the Evolving Planet section of The Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is PF1600. They have an extensive collection of Fossil Lake fossils at the exhibit including holotypes.

Loggerhead Turtle Fossil

This image is of a Carolinachelys wilsoni loggerhead turtle fossil on display at Mace Brown Museum of Natural History (August 2017). They date to the Oligocene Epoch (about 11-5.3 million years ago), Paleogene Period. The fossil was found in Summerville South Carolina USA.

The Mace Brown Museum of Natural History is located at the College of Charleston, 202 Calhoun Street, 2nd Floor, Charleston, South Carolina 29424.

Learn more at their blog: http://blogs.cofc.edu/macebrownmuseum/

Pleistocene Fossil Turtle Shell

Fossil turtle shell found in cave in Lawrence County Indiana USA. Dates to the Pleistocene Epoch of the Quatemary Period (Cenozoic Era).

Fossil part of the Indiana University collection. Thanks to Kenny for image.

Toxochelys latiremis Sea Turtle Fossil

The sea turtle fossil pictured is a Toxochelys latiremis found in the Pierre Shale Formation of Kansas, USA.  This area was part of the Western Interior Seaway that divided what is today North America into two land masses. It dates back 75 million years ago (Upper Cretaceous Period).

The fossil is part of the Cincinnati Museum Center collection (accession number VP6947). It was gift to the museum from Jerome "Pete" Bussen.

Fossil on display at Cincinnati Museum of Natural History & Science as of August 2013.