Plesiadapis tricuspidens Gervais, 1877
Systematics: Mammalia Boreoeutheria Euarchontoglires Euarchonta Plesiadapiformes Plesiadapidae
Size: 8 m long
Type Horizon and Locality: Paleocene, Calciare of Rilly, near Reims (Thanetian), Grand Est Region, France
Type Specimen: MNHN Crl-16, left mandible
The squirrel-like Plesiadapis was originally thought to be a primitive primate but is today considered to lay outside the group. The genus seems to have originated in North America.
September 23, 2018
References:
Gingerich, P. D. (1975). Systematic position of Plesiadapis. Nature, 253(5487), 111.
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