Merycoidon Mammal Skull in Original Matrix. Merycoidon gracilis was a strange 30 million year old mammal from the extinct oreodont mammal group that has no modern relative and had some features of a pig and some features of a deer. This original 5 x 3 inch long skull is still preserved in its original cream colored limestone stone matrix with the skull and lower jaw being complete with excellent quality contrasting brown teeth. The right side lower jaw is not exposed out of the matrix and may still be present in the rock. The limestone base has been flattened to make a dramatic display. This completely original fossil with no restoration was found on privately owned land in the White River Badlands formation of Sioux County, Nebrasca.
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Estimated Value $550 - 750.
Fossils
