Here is a list of Dolphin species:
Suborder Odontoceti, toothed whales
Family Delphinidae, oceanic Dolphins
Genus Sotalia
- Tucuxi, Sotalia fluviatilis
Genus Lagenorhyncus
- Atlantic White-Sided Dolphin, Lagenorhynchus acutus
- Dusky Dolphin, Lagenorhynchus obscurus
- Hourglass Dolphin, Lagenorhynchus cruciger
- Pacific White-Sided Dolphin, Lagenorhynchus obliquidens
- Peale's Dolphin, Lagenorhynchus australis
- White-Beaked Dolphin, Lagenorhynchus albirostris
Genus Orcaella
- Australian Snubfin Dolphin, Orcaella heinsohni
- Irrawaddy Dolphin, Orcaella brevirostris
Genus Peponocephalia
- Melon-headed Whale, Peponocephalia electra
Genus Orcinus
- Killer Whale, Orcinus orca
Genus Feresa
- Pygmy Killer Whale, Feresa attenuata
Genus Pseudorca
- False Killer Whale, Pseudorca crassidens
Genus Globicephala
- Long-finned Pilot Whale, Globicephala melas
- Short-finned Pilot Whale, Globicephala macrorhynchus
Family Platanistoidea, River Dolphins
Genus Inia
- Boto (Amazon River Dolphin), Inia geoffrensis
Genus Lipotes
- Chinese River Dolphin (Baiji), Lipotes vexillife
Genus Platanista
- Ganges River Dolphin, Platanista gangetica
- Indus River Dolphin, Platanista minor
Genus Pontoporia
- La Plata Dolphin (Franciscana), Pontoporia blainvillei
Six animals in the family Delphinidae are commonly called "whales" but are strictly speaking dolphins. They are sometimes called "blackfish":
- Melon-headed Whale, Peponocephalia electra
- Killer Whale, Orcinus orca
- Pygmy Killer Whale, Feresa attenuata
- False Killer Whale, Psudoorca crassidens
- Long-finned Pilot Whale, Globicephala melas
- Short-finned Pilot Whale, Globicephala macrorhynchus