#order_Cetacea__Cetacea  an order of Eutheria
  supertype:  #animal_order  the order of animals
  member of:  #subclass_Eutheria
  member:  #cetacean_mammal__cetacean__blower  large aquatic carnivorous mammal with fin-like forelimbs no hind limbs, including: whales; dolphins; porpoises; narwhals
  member:  #suborder_Mysticeti__Mysticeti  baleen whales: right whales; rorquals; blue whales; humpbacks
     member:  #baleen_whale__whalebone_whale__whalebonewhale  whale with plates of whalebone along the upper jaw for filtering plankton from the water
     member:  #family_Balaenidae__Balaenidae  right whales
        member:  #right_whale__rightwhale  large arctic whalebone whale; allegedly the `right' whale to hunt because of its valuable whalebone and oil
        member:  #genus_Balaena__Balaena  type genus of the Balaenidae: Greenland whales
           member:  #bowhead_whale__bowheadwhale__bowhead__Greenland_whale__Balaena_mysticetus  large-mouthed arctic whale
     member:  #family_Balaenopteridae__Balaenopteridae  rorquals; blue whales
        member:  #rorqual__razorback  any of several baleen whales of of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin
        member:  #genus_Balaenoptera__Balaenoptera  type genus of the Balaenopteridae
           member:  #blue_whale__sulfur_bottom__Balaenoptera_musculus  largest mammal ever known; bluish-gray migratory whalebone whale mostly of southern hemisphere
           member:  #finback_whale__finbackwhale__finback__finwhale__common_rorqual__Balaenoptera_physalus  large flat-headed whalebone whale having deep furrows along the throat; of Atlantic and Pacific
           member:  #sei_whale__seiwhale__Balaenoptera_borealis  similar to but smaller than the finback whale
           member:  #lesser_rorqual__piked_whale__pikedwhale__minke_whale__minkewhale__Balaenoptera_acutorostrata  small finback of coastal waters of Atlantic and Pacific
        member:  #genus_Megaptera__Megaptera  humpback whales
           member:  #humpback_whale__humpback__Megaptera_novaeangliae  large whalebone whale with long flippers noted for arching or humping its back as it dives
     member:  #family_Eschrichtiidae__Eschrichtiidae  comprising only the gray whales
        member:  #genus_Eschrichtius__Eschrichtius  type and sole genus of the Eschrichtiidae
           member:  #gray_whale__devilfish__Eschrichtius_gibbosus__Eschrichtius_robustus  medium-sized grayish-black whale of the north Pacific
  member:  #suborder_Odontoceti__Odontoceti  toothed whales: dolphins; porpoises; sperm whales; beaked whales
     member:  #toothed_whale__toothedwhale  any of several whales having simple conical teeth and feeding on fish etc.
     member:  #family_Physeteridae__Physeteridae  sperm whales
        member:  #genus_Physeter__Physeter  type genus of the Physeteridae
           member:  #sperm_whale__spermwhale__cachalot__black_whale__blackwhale__Physeter_catodon  large whale with a large cavity in the head containing spermaceti and oil; also a source of ambergris
        member:  #genus_Kogia__Kogia  pygmy sperm whales
           member:  #pygmy_sperm_whale__pygmyspermwhale__Kogia_breviceps  small sperm whale of warm waters of both coasts of North America
           member:  #dwarf_sperm_whale__dwarfspermwhale__kogiasimu  very small (to 8 feet) sperm whale of central coasts of Atlantic and Pacific
     member:  #family_Ziphiidae__Ziphiidae__Hyperodontidae__family_Hyperodontidae  beaked whales; in some especially former classifications included in the family Physeteridae
        member:  #beaked_whale  any of several whales inhabiting all oceans and having beaklike jaws with vestigial teeth in the upper jaw
        member:  #genus_Hyperoodon__Hyperoodon  bottle-nosed whales
           member:  #bottle-nosed_whale__bottlenose_whale__bottlenose__Hyperoodon_ampullatus  North Atlantic beaked whale with a bulbous forehead
     member:  #family_Delphinidae__Delphinidae  dolphins
        member:  #dolphin  any of various small toothed whales with a beaklike snout; larger than porpoises
        member:  #genus_Delphinus__Delphinus  type genus of the Delphinidae
           member:  #common_dolphin__Delphinus_delphis  black-and-white dolphin that leaps high out of the water; one of the dolphins displayed at the Marinelands of California and Florida
        member:  #genus_Tursiops__Tursiops  a genus of Delphinidae
           member:  #bottlenose_dolphin__bottle-nosed_dolphin__bottlenose  any of several dolphins with rounded forehead and well-developed beak; chiefly of North Atlantic and Mediterranean
        member:  #genus_Phocaena__Phocaena  porpoises
           member:  #porpoise  any of several small gregarious cetacean mammals having a blunt snout and many teeth
        member:  #genus_Grampus  grampus
           member:  #grampus__grampu__Grampus_griseus  slaty-gray blunt-nosed dolphin common in northern seas
        member:  #genus_Orcinus__Orcinus  killer whales
           member:  #killer_whale__killer__orca__grampus__grampu__sea_wolf__seawolf__Orcinus_orca  predatory black-and-white toothed whale with large dorsal fin; common in cold seas
        member:  #genus_Globicephala__Globicephala  pilot whales
           member:  #pilot_whale__pilotwhale__black_whale__blackwhale__common_blackfish__blackfish__Globicephala_melaena  small dark-colored whaled of United States Atlantic coast; the largest male acts as pilot or leader for the school
     member:  #family_Platanistidae__Platanistidae  river dolphins
        member:  #river_dolphin__riverdolphin  any of several long-snouted usually freshwater dolphins of South America and southern Asia
  member:  #family_Monodontidae__Monodontidae  narwhals
     member:  #genus_Monodon__Monodon  type genus of the Monodontidae
        member:  #narwhal__narwal__narwhale__Monodon_monoceros  small arctic whale the male having a long spiral ivory tusk
     member:  #genus_Delphinapterus__Delphinapterus  white whale
        member:  #white_whale__whitewhale__beluga__Delphinapterus_leucas  small northern whale that is white when adult

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