English: Oceanic dolphins.
Genera: Cephalorhynchus, Delphinus, Feresa, Globicephala, Grampus, Lagenorhynchus, Lissodelphis, Orcaella, Orcinus, Peponocephala, Pseudorca, Sotalia, Sousa, Stenella, Steno, Tursiops, Dolphin.
Zoology: live in the sea; 30 species; including several big species whose common names contain "whale" rather than "dolphin", such as the killer whale and the pilot whales.
TaxonomyDelphinidae is a family within the superfamily Delphinoidea, which also includes the porpoises (
Phocoenidae) and the
Monodontidae (beluga whale and narwhal). River dolphins are relatives of the Delphinoidea.