Crossword clues for Cetacea. 4 letters:INIACetacea.CETACEADolphins' groupCETACEAOrder including whalesCETACEAOrder including whales and dolphinsCETACEADolphins.CETACEAOrder of marine mammals.CETACEAOrder of whales.CETACEADolphins' orderCETACEADolphins' biological order