Hippopotamidae

Superregnum: Eukaryota
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Mammalia
Subclassis: Theria
Infraclassis: Placentalia
Superordo: Cetartiodactyla
Ordo: Artiodactyla
Subordo: Suina
Familia: Hippopotamidae
Genera: Choeropsis - Hippopotamus - Hexaprotodon

References

* Hippopotamidae on Mammal species of the World.
Mammal Species of the World: A Taxonomic and Geographic Reference, 2 Volume Set edited by Don E. Wilson, DeeAnn M. Reeder

Vernacular names
Internationalization
Deutsch: Nilpferd
English: Hippopotamuses
日本語: カバ科
한국어: 하마과
Nederlands: Nijlpaarden
‪Norsk (bokmål)‬: Flodhester
Русский: Гиппопотам
Suomi: Virtahevot
Svenska: Flodhästar
Українська: Бегемотові