Hippopotamidae

{{Taxobox | color = pink | name = Hippopotamidae | regnum = Animalia | phylum = Chordata | classis = Mammalia | ordo = Artiodactyla | familia = Hippopotamidae | familia_authority = Gray, 1821 | subdivision_ranks = Genera | subdivision = Choeropsis
Hexaprotodon
Hippopotamus
Phanourios }}

Hippopotamuses are the members of the family Hippopotamidae. They are the only extant artiodactyls which walk on four toes on each foot.

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 †
- Madagascan Hippo -Hippopotamus madagascariensis †
- Siculo-Maltese Dwarf Hippopotamus - Hippopotamus melitensis †
- Madagascan Dwarf Hippopotamus - Hippopotamus lemerlei †
- Siculo-Maltese Hippopotamus - Hippopotamus pentlandi †
Choeropsis
- Pygmy Hippopotamus - Choeropsis liberiensis
  - Choeropsis liberiensis liberiensis
  - Choeropsis liberiensis heslopi (possible †)
- Madagascan 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