Mammals of the families Delphinidae (ocean dolphins), Iniidae, Lipotidae, Pontoporiidae, and Platanistidae (all river dolphins). Among the most well-known species are the BOTTLE-NOSED DOLPHIN and the KILLER WHALE (a dolphin). The common name dolphin is applied to small cetaceans having a beaklike snout and a slender, streamlined body, whereas PORPOISES are small cetaceans with a blunt snout and rather stocky body. (From Walker's Mammals of the World, 5th ed, pp978-9)

Descriptor ID	D004289
MeSH Number(s)	B01.050.150.900.649.189.267
Concept/Terms	Dolphins Dolphins Dolphin Chinese River Dolphin Chinese River Dolphin River Dolphin, Chinese Baiji Yangtze River Dolphin Dolphin, Yangtze River Lipotes vexillifer Fraser's Dolphin Fraser's Dolphin Fraser Dolphin Frasers Dolphin Lagenodelphis hosei Ganges Dolphin Ganges Dolphin Dolphin, Ganges Ganges River Dolphin Dolphin, Ganges River Planista gangetica Irrawaddy River Dolphin Irrawaddy River Dolphin Dolphin, Irrawaddy River Orcaella brevirostris La Plata Dolphin La Plata Dolphin Dolphin, La Plata Pontoporia blainvillei Franciscana Lagenorhynchus Lagenorhynchus Ocean Dolphins Ocean Dolphins Dolphin, Ocean Dolphins, Ocean Ocean Dolphin Marine Dolphins Dolphin, Marine Dolphins, Marine Marine Dolphin Delphinidae Piebald Dolphins Piebald Dolphins Dolphins, Piebald Cephalorhynchus Right Whale Dolphins Right Whale Dolphins Dolphins, Right Whale Lissodelphis Risso's Dolphin Risso's Dolphin Risso Dolphin Gray Grampus Grampus griseus Rough-Toothed Dolphin Rough-Toothed Dolphin Rough Toothed Dolphin Rough-Toothed Dolphins Steno bredanensis Sousa Sousa Humpback Dolphins Dolphin, Humpback Dolphins, Humpback Humpback Dolphin Susus Susus Platanista Tucuxi Dolphin Tucuxi Dolphin Dolphin, Tucuxi Dolphins, Tucuxi Tucuxi Dolphins Sotalia fluviatilis Whale, False Killer Whale, False Killer Pseudorca crassidens False Killer Whale False Killer Whales Killer Whale, False Killer Whales, False Whale, Melon-Headed Whale, Melon-Headed Melon-Headed Whales Whale, Melon Headed Whales, Melon-Headed Melon-Headed Whale Melon Headed Whale Peponocephala electra Many-Toothed Blackfish Whale, Pygmy Killer Whale, Pygmy Killer Killer Whale, Pygmy Killer Whales, Pygmy Pygmy Killer Whales Whales, Pygmy Killer Feresa attenuata Pygmy Killer Whale White-Beaked Dolphins White-Beaked Dolphins White Beaked Dolphins White-Beaked Dolphin Lagenorhynchus albirostris White-Sided Dolphins White-Sided Dolphins White Sided Dolphins White-Sided Dolphin Langenorhynchus obliquidens Lagenorhynchus acutus Amazon Dolphins Amazon Dolphins Dolphins, Amazon Inia geoffrensis Amazon River Dolphins Dolphins, Amazon River

Below are MeSH descriptors whose meaning is more general than "Dolphins".

Below are MeSH descriptors whose meaning is related to "Dolphins".

Below are MeSH descriptors whose meaning is more specific than "Dolphins".