List of crustaceans

List of crustaceans, Crustaceans are a subphylum of arthropods with approximately 45,000 species worldwide. Familiar crustaceans include crabs, lobsters, shrimp, and woodlice, but the group also encompasses many other forms. The following is a list of significant crustaceans grouped taxonomically by class, with notable members of each class ordered alphabetically. (See also invertebrate; shellfish.)

Subphylum Crustacea

• class Branchiopoda

  • order Anostraca

    • suborder Anostracina (fairy shrimp)
    • suborder Artemiina (brine shrimp)
  • order Diplostraca

    • suborder Cladocera (water fleas)

      • genus Daphnia
  • order Conchostraca

    • suborders Cyclestherida, Laevicaudata, and Spinicaudata (clam shrimp)
  • order Notostraca (tadpole shrimp)
• class Cephalocarida (horseshoe shrimp)
• class Malacostraca

  • order Amphipoda (amphipods)

    • family Caprellidae (skeleton shrimp)
    • family Cyamidae (whale lice)
    • family Gammaridae (gammarids)
    • family Talitridae (sand fleas)
  • order Cumacea (hooded shrimp)
  • order Decapoda (decapods)

    • suborder Dendrobranchiata (shrimp)
    • suborder Pleocyemata

      • infraorder Anomura

        • superfamily Paguroidea (hermit crabs)

          • Birgus latro (robber crab, or coconut crab)
          • Paralithodes camtschaticus (red king crab)

        • superfamily Hippoidea (mole crabs)
      • infraorder Astacidea

        • superfamilies Astacoidea and Parastacoidea (crayfish)
        • superfamilies Enoplometopoidea, Glypheoidea, and Nephropoidea (lobsters)
        • • Nephrops norvegicus (Norway lobster, or scampi)
      • infraorder Brachyura (crabs)

        • Cancer magister (Dungeness crab)
        • family Gecarcinidae (land crabs)
        • Macrocheira kaempferi (Japanese spider crab)
        • genus Ocypode (ghost crabs)
        • genus Pinnotheres (pea crabs)
        • family Portunidae (swimming crabs)

          • genus Callinectes (blue crabs)
        • genus Uca (fiddler crabs)
      • infraorder Palinura/Achelata (blind lobsters, spiny lobsters, and slipper lobsters)
  • order Euphausiacea (krill)
  • order Isopoda (isopods)

    • suborder Oniscidia (pill bugs and sow bugs)
    • family Limnoriidae (gribbles)
  • order Mysida (opossum shrimp)
  • order Stomatopoda (mantis shrimp)
  • order Tanaidacea (tanaids)
• class Maxillopoda

  • subclass Branchiura

    • family Argulidae (fish lice)
  • subclass Copepoda (copepods)
  • subclass Mystacocarida (mustache shrimp)
  • subclass Thecostraca

    • infraclass Cirripedia (barnacles)
• class Ostracoda (mussel shrimps)
• class Remipedia