Oligocene White River fossil Rhino Jaw Hyracodon Wyoming for Sale

Oligocene White River fossil Rhino Jaw Hyracodon Wyoming For Sale

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Oligocene White River fossil Rhino Jaw Hyracodon Wyoming:
$400.00

A fossil rhino jaw, Hyracodon nebraskensis, from theOligocene White River deposits of Converse County, Wyoming. The specimen is 9\" long containing 10teeth and is free of matrix. The jawconsists of the left dentary, 3 incisors, 1 canine, 3 pre-molar and 3 molarteeth. There is a partial pre-molar fromthe right dentary preserved as well. Thespecimen has been consolidated with glue and minor surface cracks have beenrepaired along the molars, total restoration under 5%.

Hyracodon was alightly built, pony-like mammal of about 1.5 m (5 ft) long. Its skull was largein comparison to the rest of the body. Hyracodon\'s dentition resembled that oflater rhinoceroses, but it was a much smaller animal and differed very littlein appearance from the primitive horses of which it was a contemporary (32–26million years ago). It had a short, broad snout and its long, slender limbs hadthree digits.

Like theprimitive horses, hyracodonts inhabited open forests and wooded steppes andturned from browsing foliage to grazing grass. They died out without leavingany descendants and they mark the end of the phylogenetic branch of hornless,running rhinoceroses.

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This fossil was collected and/or obtained legally and is beingsold legally.