.39" Fossil Turtle Claw - Hell Creek Formation

This is a .39", fossil turtle claw from the Hell Creek Formation of Harding County, South Dakota. It is in very good condition. This is the bone core of the claw. There would have been a sheath made of keratin over it.

There are a number of turtle genera and species from the Hell Creek Formation. In most cases it is impossible to accurately determine the genus from a single claw.

Because of its age and sedimentary composition, the Hell Creek Formation has become one of the most paleontologically studied areas in the world. 158 genera of animals and 64 genera of plants are known from the formation and new discoveries are made frequently. In addition to Tyrannosaurs, Ceratopsids, and Hadrosaurs, the formation has yielded remains of amphibians, reptiles, lizards, snakes and turtles, fish and sharks, avian and non-avian dinosaurs, and mammals. The Hell Creek Formation gives the most complete understanding of the environment just before the Cretaceous-Paleogene extinction.
Unidentified Turtle
Harding County, South Dakota
Hell Creek Formation
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