#Decapoda__order_Decapoda  lobsters; crayfish; crabs; shrimps; prawns
  supertype:  #animal_order  the order of animals
  member of:  #subclass_Malacostraca
  member:  #decapod_crustacean__decapodcrustacean__decapod  crustaceans characteristically having five pairs of locomotor appendages each joined to a segment of the thorax
  member:  #suborder_Reptantia__Reptantia  lobsters; crabs
     member:  #suborder_Brachyura__Brachyura  an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface
        member:  #brachyuran  typical crabs
        member:  #crab  decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers
        member:  #genus_Menippe__Menippe  stone crabs
           member:  #Menippe_mercenaria__stone_crab__stonecrab  large edible crab of S coat of United States especially Florida
        member:  #family_Cancridae__Cancridae  many of the best known edible crabs
           member:  #genus_Cancer__Cancer  type genus of the family Cancridae
              member:  #Cancer_magister__Dungeness_crab  small edible crab of Pacific coast of North America
              member:  #rock_crab__Cancer_irroratus  crab of eastern coast of North America
              member:  #Jonah_crab__Cancer_borealis  large red deep-water crab of the eastern coast of North America
        member:  #family_Portunidae__Portunidae  swimming crabs
           member:  #swimming_crab  marine crab with some legs flattened and fringed for swimming
           member:  #genus_Portunus__Portunus  type genus of the family Portunidae
              member:  #English_lady_crab__Portunus_puber  crab of the English coasts
           member:  #genus_Ovalipes__Ovalipes  a genus of Portunidae
              member:  #American_lady_crab__lady_crab__calico_crab__Ovalipes_ocellatus  brightly spotted crab of sandy beaches of the United States Atlantic coast
           member:  #genus_Callinectes__Callinectes  New World blue crabs
              member:  #Callinectes_sapidus__blue_crab  bluish edible crab of Atlantic and Gulf coasts of North America
        member:  #genus_Uca__Uca  fiddler crabs
           member:  #fiddler_crab__fiddlercrab  burrowing crab of American coastal regions having one claw much enlarged in the male
        member:  #family_Pinnotheridae__Pinnotheridae  tiny soft-bodied crabs
           member:  #genus_Pinnotheres__Pinnotheres  type genus of the family Pinnotheridae: pea crabs
              member:  #pea_crab__peacrab  tiny soft-bodied crab living commensally in the mantles of certain bivalve mollusks
              member:  #oyster_crab__Pinnotheres_ostreum  tiny soft-bodied crab living within the mantle cavity of oysters
        member:  #family_Lithodidae__Lithodidae  deep-sea crabs of cold waters
           member:  #genus_Paralithodes__Paralithodes  a genus of Lithodidae
              member:  #Paralithodes_camtschatica__king_crab__Alaska_crab__Alaskan_king_crab__Alaska_king_crab  large edible crab of North Pacific waters especially along the coasts of Alaska and Japan
        member:  #family_Majidae__Majidae  spider crabs
           member:  #spider_crab  any of numerous crabs with very long legs and small triangular bodies
           member:  #genus_Maja__Maja__Maia__genus_Maia  type genus of the Majidae; nearly cosmopolitan
              member:  #European_spider_crab__king_crab__Maja_squinado  large European spider crab
           member:  #genus_Macrocheira__Macrocheira  giant crabs of Japan
              member:  #giant_crab__giantcrab__Macrocheira_kaempferi  very large deep-water Japanese crab
     member:  #lobster  any of several edible marine crustaceans of the families Homaridae and Nephropsidae and Palinuridae
     member:  #family_Homaridae__Homaridae  large-clawed lobsters
        member:  #true_lobster  large edible marine crustaceans having large pincers on the first pair of legs
        member:  #genus_Homarus__Homarus  type genus of the family Homaridae: common edible lobsters
           member:  #Homarus_americanus__American_lobster__Northern_lobster__Maine_lobster  lobster of Atlantic coast of America
           member:  #Homarus_vulgaris__European_lobster  lobster of Atlantic coast of Europe
              member:  #European_lobster  similar to but smaller than American lobsters
           member:  #Cape_lobster__Homarus_capensis  small lobster of southern Africa
  member:  #family_Nephropsidae__Nephropsidae  in some classifications coextensive with the Homaridae
     member:  #genus_Nephrops__Nephrops  a genus of Nephropsidae
  member:  #family_Palinuridae__Palinuridae  spiny lobsters
     member:  #genus_Palinurus__Palinurus  type genus of the family Palinuridae
        member:  #crawfish__spiny_lobster__spinylobster__langouste__rock_lobster__crayfish__sea_crawfish__seacrawfish  large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters
  member:  #family_Astacidae__Astacidae__Astacura  crayfish
     member:  #crawdaddy__crayfish__crawfish__crawdad  small freshwater decapod crustacean that resembles a lobster
     member:  #genus_Astacus__Astacus  type genus of the family Astacidae; Old World crayfish
        member:  #Old_World_crayfish__ecrevisse  small crayfish of Europe and Asia and western North America
     member:  #genus_Cambarus__Cambarus  a genus of Astacidae
        member:  #American_crayfish  common large crayfishes of eastern North America
  member:  #family_Paguridae__Paguridae  hermit crabs
     member:  #genus_Pagurus__Pagurus  type genus of the family Paguridae
        member:  #hermit_crab  small soft-bodied marine crustaceans living in cast-off shells of gastropods
  member:  #suborder_Natantia__Natantia  shrimp; prawns; etc.
     member:  #family_Crangonidae__Crangonidae  shrimps
        member:  #genus_Crangon__Crangon  type genus of the family Crangonidae
        member:  #shrimp  small slender-bodied chiefly marine decapod crustaceans with a long tail and single pair of pincers; many species are edible
     member:  #family_Palaemonidae__Palaemonidae  prawns
        member:  #genus_Palaemon__Palaemon  type genus of the family Palaemonidae; widely distributed genus
           member:  #prawn  shrimp-like decapod crustacean having two pairs of pincers; most are edible
           member:  #long-clawed_prawn__river_prawn__Palaemon_australis  large (a foot or more) edible freshwater prawn common in Australian rivers
     member:  #family_Peneidae__Peneidae  tropical prawns
        member:  #genus_Peneus__Peneus  type genus of the family Peneidae
           member:  #tropical_prawn  edible tropical and warm-water prawn

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