Hippopotamus
Hexaprotodon
Hippopotamuses are the members of the family Hippopotamidae. They are the only extant artiodactyls which walk on four toes on each foot.
Species list
- Hippopotamus
- Hippopotamus - Hippopotamus amphibius
- Madagascan Dwarf Hippopotamus - Hippopotamus lemerlei (extinct)
- Hexaprotodon
- Pygmy Hippopotamus - Hexaprotodon liberiensis
- Madagascan Pygmy Hippopotamus - Hexaprotodon madagascariensis (extinct)
References
ITIS search as of 2004-08-11
