Small Sperm Whales (Kogiidae) is a biological family of the class Mammalia (Mammals) and order Cetacea (Cetaceans).
Hyperoodontidae
Balaenidae
Eschrichtiidae
Delphinidae
Phocoenidae
Neobalaenidae
Iniidae
Platanistidae
Balaenopteridae
Kogiidae
Physeteridae
Monodontidae