North America, USA, Brule Formation of the White River Badlands, South Dakota, Upper Oligocene Period, ca. 28.1 million to 23 million years ago. A fossilized upper half of a oreodont skull with visible teeth, with the lower parts of both orbits (ocular cavities). The teeth are an interesting high crown, pointed and triangular shape, which their namesake: "oreo" is Greek for mountain and "dont" is tooth, "mountain tooth." These mammals were herbivores and had traits that often were described as sheep, rhino, or pig like. They roamed the prehistoric North America grasslands in herds grinding up the plants with their "mountainous" teeth. Size: 6" L x 3" W (15.2 cm x 7.6 cm); 4.6" H (11.7 cm) on included custom stand.

Provenance: private Hagar collection, Wildwood, Missouri, USA

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#159616

Fragment of upper part of skull. Losses to nose cavity and canine teeth. Expected surface wear and abrasions from age and fossilization process. Back teeth well preserved.