The beluga whale (/bɪˈluːɡə/; Delphinapterus leucas) is an Arctic and sub-Arctic cetacean. It is one of two members of the family Monodontidae, along...

Pilot whales are cetaceans belonging to the genus Globicephala. The two extant species are the long-finned pilot whale (G. melas) and the short-finned...

The Cuvier's beaked whale, goose-beaked whale, or ziphius (Ziphius cavirostris) is the most widely distributed of all beaked whales in the family Ziphiidae...

melon-headed whale (Peponocephala electra), also known less commonly as the electra dolphin, little killer whale, or many-toothed blackfish, is a toothed whale of...

Mesoplodont whales are 16 species of toothed whale in the genus Mesoplodon, making it the largest genus in the cetacean order. Two species were described...

includes three extant species of whales: the sperm whale, in the genus Physeter, and the pygmy sperm whale and dwarf sperm whale, in the genus Kogia. In the...

The tropical bottlenose whale (Indopacetus pacificus), also known as the Indo-Pacific beaked whale or Longman's beaked whale, was considered to be the...

Right whale dolphins are cetaceans belonging to the genus Lissodelphis. It contains the northern right whale dolphin (Lissodelphis borealis) and the southern...

The pygmy killer whale (Feresa attenuata) is a poorly known and rarely seen oceanic dolphin. It is the only species in the genus Feresa. It derives its...

Beaked whales (systematic name Ziphiidae) are a family of cetaceans noted as being one of the least-known groups of mammals because of their deep-sea habitat...

beaked whale, containing just two species: the Northern and Southern bottlenose whales. While not in the genus Hyperoodon, Longman's beaked whales are alternatively...

Shepherd's beaked whale (Tasmacetus shepherdi), also commonly called Tasman's beaked whale or simply the Tasman whale, is a cetacean of the family Ziphiidae...

McGowen et al., 2019 Superfamily Delphinoidea Family †Albireonidae Genus Albireo Family Delphinidae Subfamily Delphininae Genus Delphinus Genus Lagenodelphis...

The narwhal (Monodon monoceros), is a species of toothed whale. It is the only species in the genus Monodon. The most prominent feature of the species...

The four-toothed whales or giant beaked whales are beaked whales in the genus Berardius. They include Arnoux's beaked whale (Berardius arnuxii) in cold...

names contain "whale" rather than "dolphin", such as the Globicephalinae (round-headed whales including the false killer whale and pilot whale). Delphinidae...

Livyatan is an extinct genus of macroraptorial sperm whale containing one known species: L. melvillei. The genus name was inspired by the biblical sea...

breviceps) and dwarf (K. sima) sperm whales. As their common names suggest, they somewhat resemble sperm whales, with squared heads and small lower jaws...

Brygmophyseter, known as the biting sperm whale, is an extinct genus of toothed whale in the sperm whale family with one species, B. shigensis. When it...

Physeter is a genus of toothed whales. There is only one living species in this genus: the sperm whale (Physeter macrocephalus). Some extremely poorly...

of toothed whales within the superfamily Physeteroidea comprising two extant and two extinct species from the Neogene: Pygmy sperm whale, Kogia breviceps...

Bottlenose dolphins are toothed whales in the genus Tursiops. They are common, cosmopolitan members of the family Delphinidae, the family of oceanic dolphins...

South Asian river dolphins are toothed whales in the genus Platanista, which inhabit the waterways of the Indian subcontinent. They were historically considered...

also take octopus, squid and shrimp. They are, in turn, hunted by killer whales (orcas) and several species of sharks. The La Plata dolphin is found in...

of a Tertiary platanistoid fossil from Asia. Scientific Reports of the Whales Research Institute 35:173-181. N. D. Pyenson. 2009. Requiem for Lipotes:...

extinction of a cetacean species due to human action (some extinct baleen whale populations might not have been distinct species). Poor water and weather...

Albireonidae is a monotypic group of extinct porpoise-like whales containing the single genus Albireo. These medium-sized, fossil dolphins are very rare and...

cetacean family Monodontidae comprises two living whale species, the narwhal and the beluga whale and at least four extinct species, known from the fossil...

Denebola is an extinct genus of whale belonging to the family Monodontidae. It contains a single known species, Denebola brachycephala. It is the earliest...

eight extant species of porpoise, all among the smallest of the toothed whales. Porpoises are distinguished from dolphins by their flattened, spade-shaped...