- Cetacea, order Cetacea - an order of Eutheria
--1 is a kind of animal order
--1 is a member of Eutheria, subclass Eutheria
--1 has members:cetacean, cetacean mammal, blower; Mysticeti, suborder Mysticeti; Odontoceti, suborder Odontoceti; Monodontidae, family Monodontidae