aquatic mammal(n = noun.animal) - whales and dolphins; manatees and dugongs; walruses; seals;
is a kind of eutherian, eutherian mammal, placental, placental mammal
has parts: flipper
has particulars: blower, cetacean, cetacean mammal, sea cow, sirenian, sirenian mammal, pinnatiped, pinniped, pinniped mammal

aquatic, aquatic bird, aquatic fern, aquatic plant, aquatic vertebrate, artiodactyl mammal, cetacean mammal, digitigrade mammal, egg-laying mammal, eutherian mammal, female mammal, fissiped mammal, fossorial mammal, gnawing mammal, hoofed mammal, leporid mammal, mammal, mammal family, mammal genus, mammal semnopithecus, megatherian mammal, musteline mammal, perissodactyl mammal, pinniped mammal, placental mammal, plantigrade mammal, pouched mammal, sirenian mammal, unguiculate mammal, viverrine mammal, young mammal