''Progaleopithecus'' is an extinct genus of interatheriid

notoungulate Notoungulata is an extinct order of ungulates that inhabited South America from the early Paleocene to the end of the Pleistocene, living from approximately 61 million to 11,000 years ago. Notoungulates were morphologically diverse, with forms re ...

that lived during the Late Oligocene of

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

. Fossils of this genus have been found in the Agua de la Piedra, Deseado, and

Sarmiento Formation The Sarmiento Formation (Spanish language, Spanish: ''Formación Sarmiento''), in older literature described as the Casamayor Formation, is a geological formation in Chubut Province, Argentina, in central Patagonia, which spans around 30 million y ...

s of Argentina.

Taxonomy

''Progaleopithecus'' was first named in 1904 by Florentino Ameghino based on remains found in the Sarmiento Formation of Argentina, dating to the Late Oligocene, around 28 to 23 mya. It is a derived member of the Interatheriidae, within the subfamily

Interatheriinae Interatheriinae is an extinct subfamily of interatheriids that consisted of notoungulates dating from the Early Eocene (Casamayoran SALMA) to the Early Pliocene (Montehermosan SALMA). The subfamily includes the genera '' Archaeophylus'', '' Argy ...

. The following cladogram of the

is based on Vera ''et al.'' 2017, showing the position of ''Progaleopithecus''.

References

{{Taxonbar, from=Q113638577 Typotheres Prehistoric placental genera Oligocene mammals of South America Deseadan Paleogene Argentina Fossils of Argentina Taxa named by Florentino Ameghino Fossil taxa described in 1904 Golfo San Jorge Basin Sarmiento Formation