First named by Gerardo De Iuliis, Timothy J. Gaudin and Matthew J. Vicars in 2001, Mionothropus is an extinct genus of nothrotheriine nothrotheriid sloth which existed in Peru where its generic name was derived from "Mio", a reference to the Miocene provenance of the holotype, and "nothropus" refers to the initial allocation of the holotype to this genus from the South American Pleistocene.
First named by Gerardo De Iuliis, Timothy J. Gaudin and Matthew J. Vicars in 2001, Mionothropus is an extinct genus of nothrotheriine nothrotheriid sloth which existed in Peru where its generic name was derived from "Mio", a reference to the Miocene provenance of the holotype, and "nothropus" refers to the initial allocation of the holotype to this genus from the South American Pleistocene.