Killer Whales (Orcinus) is a biological genus in the family Delphinidae (Marine Dolphins) and order Cetacea (Cetaceans).
Orcinus orca
Lagenodelphis
Tursiops
Delphinus
Pseudorca
Grampus
Orcinus
Peponocephala
Orcaella
Cephalorhynchus
Globicephala
Feresa
Lissodelphis
Sotalia
Stenella
Lagenorhynchus