1.6" Fossil Theropod Caudal Vertebra - Hell Creek Formation

Fossil Theropod Caudal Vertebra - Hell Creek Formation #114531

This is a 1.6", theropod caudal vertebra centrum from the Hell Creek Formation. It is in very good condition. It is likely that this vertebra is from near the middle of the tail. It is possible this vertebra is from the tail of Thescelosaurus but a definitive identification from a single vertebra is difficult.

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.

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