ba a samun kalmar "cetaceous" a cikin harshen Ingilishi. Duk da haka, kalmar "cetacean" ta wanzu, kuma tana nufin dabbar dabbar ruwa na tsarin Cetacea, wanda ya hada da whales, dolphins, da porpoises. Wadannan dabbobin ana siffanta su da gangaren jikinsu, finsu ko flippers, da busassun iska don shakar iska.
