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Noun1.Cetacea - an order of EutheriaCetacea - an order of Eutheria      
animal order - the order of animals
Eutheria, subclass Eutheria - all mammals except monotremes and marsupials
cetacean, cetacean mammal, blower - large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals
Mysticeti, suborder Mysticeti - baleen whales: right whales; rorquals; blue whales; humpbacks
Odontoceti, suborder Odontoceti - toothed whales: dolphins; porpoises; sperm whales; beaked whales
References in classic literature ?
It is not my intention, were it in my power, to enter into the inquiry as to the true method of dividing the cetacea into groups and families.
Impenetrable veil covering our knowledge of the cetacea.
Here is a preserve of sea-cucumber, which a Malay would declare to be unrivalled in the world; here is a cream, of which the milk has been furnished by the cetacea, and the sugar by the great fucus of the North Sea; and, lastly, permit me to offer you some preserve of anemones, which is equal to that of the most delicious fruits.
Cetacea (whales) and Edentata (armadilloes, scaly ant-eaters, &c.
Auklet Alcidae small 14 Ptarmigan Lagopus muta 2 Bird 7 Sheep/Goat OvislCapra 64 2 Cattle Bos taurus 10 50 Sheep/Goat/Cattle OvislCapralBos 13 Horse/Cattle EquuslBos 1 Horse Equus caballus Pig Sus scrofa 1 Land mammal 2492 52 Whale Cetacea 1 cf.
The offer was made through Cemex subsidiary, Cetacea Investments Ltd.
All whales, dolphins and porpoises belong to the order cetacea.
whales, dolphins, and porpoises in the order Cetacea.
The school's win came in their 208-pound, oceanic-themed, white and blue canoe, the Cetacea.
The mammals belonging to the order Cetacea (which includes whales, dolphins, and porpoises) exhibit all of the characteristics we just outlined above, so there are smart aliens out there -- not 35 million miles away but right here, with us, sharing our world.