Full reference: F. Ameghino. 1889. Contribución al conocimiento de los mamíferos fósiles de la República Argentina [Contribution to the knowledge of the fossil mammals of the Argentine Republic]. Actas de la Academia Nacional de Ciencias de la República Argentina en Córdoba 6:xxxii-1027
Parent taxon: Perissodactyla according to F. Ameghino 1889
Sister taxa: Anthracobunidae, Brontotheriidae, Cambaytheriidae, Cambaytherium, Chelodactyla, Desmostylia, Equina, Equoidea, Ghazijhippus, Hallensia, Hippopotamus iravaticus, Hyracotheriidae, Lophodontomorpha, Mesaxonia, Mesolambdolophus, Nakusia, Paschatherium, Perissobune, Rhinocerotida, Selenida, Skopaiolophus, Solidungula, Tapiromorpha, Teilhardimys, Titanotheriomorpha, Triplopidae
Subtaxa: none
Ecology: ground dwelling browser-grazer
Distribution: there are no occurrences of Stereopterna in the database