For your bidding pleasure is this Extinct Mammal Oreodont Fossil. Oreodont, any member of a diverse group of extinct herbivorous North American artiodactyls (even-toed ungulates) that lived from the Middle Eocene through the end of the Miocene (between about 40 million and 5.3 million years ago). The condition of this fossil is good with one lose piece and a couple cracks to the rock that the fossil is preserved in. They are often compared to sheep in size and shape, oreodonts are usually considered members of the suborder Typlopoda (the group that contains camels); however, some studies place them outside that group. Oreodonts were unlike any living mammal group in the structure of their skeleton and dentition. Oreodont fossils are especially common in the Brule Formation of the White River Badlands of South Dakota, U.S. This formation is composed of river deposits and paleosols (soils buried under sedimentary rock) that developed in savanna-like environments about 34 million years ago. The measurements of this fossil are 3 1/2" x 6 1/2".
Condition
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