Hippopotamidae

HippopotamidaeGray, 1821

Hyväksytty nimi, Maailman nisäkkäiden luettelo 2005

Hexaprotodon†madagascariensis (Guldberg, 1883), Hippopotamus †lemerlei Grandidier, 1868, and H. †laloumena Faure and Guerin, 1990 were present in the Holocene on Madagascar (Stuenes, 1989), but have not been shown to have survived into the last 500 years.

• Wilson, D and Reeder, D. (eds.) 2005. Mammal Species of the World. A Taxonomic and Geographic Reference. 3rd ed. -- 2142 pp. Johns Hopkins University Press.