- Cephalorhynchinae

- Delphinapteridae

- Delphinoidae

- Delphinus attenuata (Gray, 1846)

- Delphinusideae

- Globicephalidae

- Globidelphinidae

- Globiocephalidae

- Grampidae

- Grampidelphidae

- Orcadae

- Orcaelidae

- Orcaellidae

- Stenidae

- Steno cudmorei Chapman, 1917

- Trispondylus Vanden Broeck, 1874

- Trispondylus kleini Vanden Broeck, 1874

- Tursiops miocaenus Portis, 1886