†Hippidium (Plagiohippus) Ameghino 1908 (horse)
Mammalia - Perissodactyla - Equidae
Alternative spelling: Plagiohippus
Parent taxon: Hippidium according to E. F. de Alvarez 1961
See also Rovereto 1914
Sister taxa: Hippidion angulatus, Hippidion devillei, Hippidion principale, Hippidion saldiasi, Hippidium bonaerense, Hippidium entrerianum, Hippidium principale, Parahipparion extensus, Parahipparion saldiasi, Onohippidium compressidens
Subtaxa: Plagiohippus chapalmalensis
Ecology: ground dwelling grazer-browser
Distribution: found only at Arroyo Loberia (Quaternary of Argentina)