Hegetotheriidae

Hegetotheriidae is an extinct family of notoungulate mammals known from the Oligocene through the Pliocene of South America.^[1][2]

Hegetotheriidae Temporal range: Late Oligocene–Late Pliocene PreꞒ Ꞓ O S D C P T J K Pg N
Prosotherium garzoni (=Propachyrucos ameghinorum).
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	†Notoungulata
Suborder:	†Typotheria
Family:	†Hegetotheriidae Ameghino, 1894
Subfamilies and genera
†Hegetotheriinae †Ethegotherium †Hegetotherium †Hemihegetotherium †Prohegetotherium †Pseudohegetotherium †Pachyrukhinae †Medistylus †Propachyrucos †Prosotherium Pachyrukhini †Pachyrukhos †Paedotherium †Tremacyllus