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Cetacea British & World English

An order of marine mammals that comprises the whales, dolphins, and porpoises. These have a streamlined hairless body, no hindlimbs, a horizontal tail fin, and a blowhole on top of the head for breathing

Cetacea in baleen whale British & World English

A whale that has plates of whalebone in the mouth for straining plankton from the water. Baleen whales include the rorqual, humpback, right whale, and grey whale

Cetacea in basilosaurus British & World English

A large marine cetacean of the Eocene epoch, having rudimentary fore and hind limbs

Cetacea in cetacean British & World English

A marine mammal of the order Cetacea; a whale, dolphin, or porpoise

Cetacea in Mysticeti British & World English

A division of the whales that comprises the baleen whales

Cetacea in Odontoceti British & World English

A division of the whales that comprises the toothed whales

Cetacea in toothed whale British & World English

A predatory whale having teeth rather than baleen plates. Toothed whales include sperm whales, killer whales, beaked whales, narwhals, dolphins, and porpoises

Cetacea in whale1 British & World English

A very large marine mammal with a streamlined hairless body, a horizontal tail fin, and a blowhole on top of the head for breathing


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