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Order CetaceaDomain Eukarya Kingdom Animalia Sub-kingdom Eumetazoa Sub-sub-kingdom Bilateria Metaphylum Enterocoelous Coelomates Phylum Chordata Subphylum Vertebrata Class Mammalia Subclass Theria Infraclass Eutheria Order Cetacea This group contains the whales and their allies. They are large marine mammals, with the pectoral limbs reduced to flippers, and the pelvic limbs lost. The large tail bears horizontal flukes, which are used in propulsion. Latin: cetus, whale. (Dorit et al, 1991) |