7" Fossil Oreodont (Merycoidodon) Skull - South Dakota

This is a 7" long skull of an oreodont (Merycoidodon culbertsoni) with natural open mouth preservation. It was collected from the White River Formation in Pennington County, South Dakota and would be approximately 30-35 million years old. The preservation of the majority of this skull is excellent considering most of these skulls are found heavily fragmented, partial, and compressed. This specimen features nice three dimensional preservation with very little compression or disarticulation.

It is accompanied by an acrylic display stand to assist with presentation.

The molars and premolars are mostly intact and are all natural. The canines of the mandible are partial but unrestored. The left canine of the maxilla is nicely intact along with three of the incisors. The remaining incisors and the right canine of the maxilla were found disarticulated and have been mounted to the skull. The incisors of the mandible have all been restored. Restoration of the bone can be found along the angle of the right side of the mandible, across the majority of the nasal bone, and the right side of the maxilla. The right zygomatic arch has also been restored.

Artist's reconstruction of Merycoidodon.  By Nobu Tamura (http://spinops.blogspot.com) Creative Commons License
Artist's reconstruction of Merycoidodon. By Nobu Tamura (http://spinops.blogspot.com) Creative Commons License

Oreodonts are an extinct mammal most closely related to camels and pigs. They have no close relatives living today. They were herbivorous, with short faces and fang-like canine teeth. About the size of a sheep, they roamed the plains of North America in huge numbers during the Oligocene period.
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DETAILS
SPECIES
Merycoidodon culbertsoni
LOCATION
Pennington County, South Dakota
FORMATION
White River Formation
SIZE
7 x 5 x 4"
CATEGORY
SUB CATEGORY
ITEM
#249248
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