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Protemnocyon inflatus is a prehistoric species of mammal in the family Canidae. There is only one known species in the genus Protemnocyon.

Temporal range: Early Oligocene
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Canidae
Genus: Protemnocyon
Hatcher, 1901
P. inflatus
Binomial name
Protemnocyon inflatus
Hatcher, 1902


Protemnocyon inflatus lived in the early stage of Oligocene era about 33.9-33.3 million years ago. Its fossils were discovered at Cedar Creek (Hat Creek Basin) in Nebraska, United States. Its type is classified as CM 552.