The scientific term used to describe the family of all whales, dolphins and porpoises.

collective name for several species of aquatic mammals including whales, porpoises, and dolphins

Marine mammals belonging to the order Cetacea, which includes all whales, dolphins and porpoises (currently 79 species).

Belonging to an order of marine mammals, including whales and dolphins.

whale or dolphin.

large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals

of or relating to whales and dolphins etc

a mammal that lives in the sea, such as a dolphin

Any member of the order Cetacea—a group of primarily marine mammals occurring throughout the world's oceans, as well as in some tropical rivers and lakes. The name whale is often used to refer to larger species, while dolphin or porpoise is used for the smaller members of the order.

A marine mammal belonging to the Latin order Cetacea, which includes all whale dolphin s and porpoise

Of or belonging to the order Cetacea, which includes aquatic mammals with anterior flippers, no posterior limbs, and a dorsal fin; such as whales, dolphins and porpoise.

An aquatic mammal of the order Cetacea, including whales, porpoises and dolphins.

marine mammals which include the whales, dolphins, porpoises

any of an order (Cetacea) of aquatic, mostly marine mammals that includes the whales, dolphins, porpoises, and related forms.

A genetically enhanced Dolphin or Killer Whale.

any member of the group of marine mammals that includes whales, dolphins and porpoises.