Octodontotherium

Octodontotherium is an extinct genus of ground sloth of the family Mylodontidae, endemic to South America during the Late Oligocene (Deseadan). It lived from 29 to 23 Mya, existing for approximately.

Fossil distribution is exclusive to Santa Cruz Province, Argentina (Deseado and Sarmiento Formations) and Bolivia (Salla Formation).

Taxonomy
Octodontotherium was named by Ameghino (1894). It was assigned to Mylodontidae by Carroll (1988); and to Mylodontinae by Gaudin (1995).