Sunkahetanka

Sunkahetanka is an extinct monospecific genus of the Hesperocyoninae subfamily of early canids native to North America. It lived during the Oligocene, 30.8—26.3 Ma, existing for approximately 5 million years.^[1] In form, it was intermediate between the small Cynodesmus and the later Enhydrocyon, the first hypercarnivorous, "bone-cracking", canid.^[2]

Sunkahetanka Temporal range: Oligocene PreꞒ Ꞓ O S D C P T J K Pg N
Sunkahetanka geringensis
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Carnivora
Suborder:	Caniformia
Family:	Canidae
Subfamily:	†Hesperocyoninae
Genus:	†Sunkahetanka Macdonald, 1963
Species:	†S. geringensis
Binomial name
†Sunkahetanka geringensis Barbour & Schultz, 1935