Temporal range: Miocene to recent? 9–0 Ma
Hexaprotodon sivalensis skull elements
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Class: Mammalia
Order: Artiodactyla
Family: Hippopotamidae
Subfamily: Hippopotaminae
Genus: Hexaprotodon
Falconer and Cautley, 1836

Hexaprotodon liberiensis (disputed)
various extinct species

Hexaprotodon is a genus of Hippopotamidae that is sometimes applied to the pygmy hippopotamus. Pygmy hippos may be classified as either Choeropsis liberiensis or Hexaprotodon liberiensis. The name Hexaprotodon means "six front teeth" as some of the fossil forms have three pairs of incisors.[1] [2]

H. imagunculus

The genus Hexaprotodon also includes a number of rarely studied extinct species from Asia, sometimes labeled "Asian Hippopotami."


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