Protolabis

Protolabis is an extinct genus of camelid endemic to North America. It lived from the Early to Late Miocene 20.4—5.3 mya, existing for approximately 15 million years.^[1] Fossil distribution is widespread from Nicaragua, Central America to Montana and throughout the western U.S.

Protolabis Temporal range: Arikareean-Hemphillian ~20.4–5.3 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Protolabis gracilis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Family:	Camelidae
Tribe:	Camelini
Genus:	†Protolabis Cope 1876
Species
P. barstowensis Lewis 1968 P. coartatus Stirton 1929 P. gracilis Leidy 1858 P. heterodontus Cope 1874 P. inaequidens Cope & Matthew 1915 P. saxeus Matthew 1925 P. yavapaiensis Honey & Taylor 1978