Hippopotamuses are the members of the family Hippopotamidae. They are the only extant artiodactyls which walk on four toes on each foot. Only two species survive today,

Species list

• Hippopotamus
  • Hippopotamus — Hippopotamus amphibius
    • ''Hippopotamus amphibius amphibius
    • ''Hippopotamus amphibius capensis
    • ''Hippopotamus amphibius constrictus
    • ''Hippopotamus amphibius kiboko
    • Hippopotamus amphibius tschadensis
  • European Hippopotamus — Hippopotamus antiquus †
  • Cretan Dwarf Hippopotamus — Hippopotamus creutzburgi †
    • Hippopotamus creutzburgi creutzburgi †
    • Hippopotamus creutzburgi parvus †
  • Madagascar Hippo — Hippopotamus madagascariensis †
  • Siculo-Maltese Dwarf Hippopotamus — Hippopotamus melitensis †
  • Madagascar Dwarf Hippopotamus — Hippopotamus lemerlei †
  • Siculo-Maltese Hippopotamus — Hippopotamus pentlandi †
  • Hippopotamus gorgops †
• Choeropsis
  • Pygmy Hippopotamus — Choeropsis liberiensis
    • Choeropsis liberiensis liberiensis
    • Choeropsis liberiensis heslopi (possible †)
  • Madagascar Pygmy Hippopotamus — Choeropsis madagascariensis †
• Hexaprotodon
  • Indian Pygmy Hippopotamus — Hexaprotodon namadicus †
  • Indian Hippopotamus -— Hippopotamus palaeindicus †
• Phanourios †
  • Cyprus Dwarf Hippopotamus — Phanourios minutis †

References

• Boisserie, J.R. 2005. The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis. Zoological Journal of the Linnean Society, Volume 143, Number 1, January 2005, pp. 1-26(26)
• ITIS search as of 2004-08-11
• Petronio, C (1995), Note on the taxonomy of Pleistocene hippopotamuses. Ibex 3:53-55. Link

Even-toed ungulates | Hippos

Хипопотамови | Flusspferde | Hippopotamidae | Hippopotamidae | 하마과 | בהמותיים | Hipopotaminiai | Nijlpaarden | Flodhest | Hipopotamowate | Бегемотовые | Flodhästar | 河马科