Order: Artiodactyla Suborder: Suiformes Infraorder: Ancodonta Family: Hippopotamidae Genera: Hippopotamus, Choeropsis
Order: Artiodactyla Suborder: Suiformes Infraorder: Ancodonta Family: Hippopotamidae Genera: Hippopotamus, Choeropsis: Hippopotami.
The Transactions of the Zoological Society of London