Authentic Early Rhinoceroses Skull With Lower Jaws
Hyracodon, hyrax toot, is an extinct genus of early rhinoceroses. It was a lightly built, pony like mammal about 5 feet long. Hyracodon's skull was large in comparison to the rest of the body. Its dentition resembled that of later rhinoceroses, but it was a much smaller animal and differed very little in appearance from the primitive horses of the Oligocene White River Fauna of 32 to 26 million years ago. It had a short, broad snout and its long, slender limbs had three digits. Like the primitive horses, hyracodonts inhabited open forests and wooded steppes and turned from browsing foliage to grazing grass. They died out without leaving any descendants and they mark the end of the phylogenetic branch of hornless, running rhinoceroses.
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10.5 x 8 x 4.5 inches
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