Drilluta communis Gastropod Fossil

 

The fossil for today's posting is Tennessee's state fossil. This gastropod mollusk fossil is called Drilluta communis (Wade, 1916). It existed in the Cretaceous Period (144-65 million years ago). The fossil was found in the Tennessee USA.

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 UC37952.

The genus named by Bruce Wade in 1916.

Further reading:

U.S. Geological Survey Professional Paper 137, The Fauna of the Ripley Formation on Coon Creek, Tennessee by Bruce Wade, 1926.

https://www.google.com/books/edition/Professional_Paper/G8NRAQAAMAAJ?hl=en&gbpv=1&dq=trigonia%20thoracica&pg=PP9&printsec=frontcover

Bechleja Prawn Fossil

 

Above is an image of a prawn fossil called Bechleja rostratasp (Feldmann, 1981). This prawn fossil dates to the Eocene Epoch between 54.8 and 33.7 million years ago. It was found Fossil Lake, Wyoming, USA. 

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 PF14047. They have an extensive collection of Fossil Lake fossils at the exhibit including holotypes.

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.