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
Domain:	Eukaryota
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

Hegetotheriidae is anextinctfamily ofnotoungulatemammals known from theOligocene through thePliocene ofSouth America.^[1][2]

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