#phylum_Mollusca__Mollusca  gastropods; bivalves; cephalopods; chitons
  supertype:  #phylum  (biology) the major taxonomic group of animals and plants; contains classes
  member of:  #kingdom_Animalia
  member:  #mollusk__mollusc__shellfish  invertebrate having a soft unsegmented body usually enclosed in a shell
  member:  #class_Scaphopoda__Scaphopoda  small class of bilaterally symmetrical marine forms comprising the tooth shells
     member:  #scaphopod  burrowing marine mollusk
  member:  #class_Gastropoda__Gastropoda__Gasteropoda__class_Gasteropoda  snails and slugs and their relatives
     member:  #gastropod__univalve  a class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes
     member:  #family_Haliotidae__Haliotidae  abalones
        member:  #genus_Haliotis__Haliotis  type genus of the family Haliotidae
           member:  #abalone__ear-shell__earshell  any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior
     member:  #family_Strombidae__Strombidae  conchs
        member:  #genus_Lambis__Lambis  scorpion shells of shallow tropical waters of the eastern hemisphere
           member:  #scorpion_shell  any of numerous tropical marine snails that as adults have the outer lip of the aperture produced into a series of long curved spines
        member:  #genus_Strombus__Strombus  type genus of the family Strombidae
           member:  #conch  any of various edible tropical marine gastropods of the genus Strombus having a brightly-colored spiral shell with large outer lip
     member:  #family_Limacidae__Limacidae  slugs
        member:  #genus_Limax__Limax  a genus of Limacidae
        member:  #slug  any of various terrestrial gastropods having an elongated slimy body and no external shell
     member:  #family_Neritidae__Neritidae  neritids
        member:  #neritid_gastropod__neritidgastropod__neritid  operculate seasnail of coastal waters with a short spiral shell
        member:  #genus_Nerita  type genus of the Neritidae
           member:  #nerita  having short a smooth or spirally ridged shell with thick usually toothed outer lip and toothed operculum
           member:  #bleeding_tooth__Nerita_peloronta  gastropod having reddish toothlike projections around the shell opening; of the Caribbean area
        member:  #genus_Neritina  a genus of Neritidae
           member:  #neritina  ornately marked and brightly colored snails of brackish waters
     member:  #family_Buccinidae__Buccinidae  whelks
        member:  #whelk  large carnivorous marine gastropods of coastal waters and intertidal regions having a strong snail-like shell
     member:  #family_Cymatiidae__Cymatiidae  tritons
        member:  #triton  tropical marine gastropods having beautifully colored spiral shells
     member:  #family_Naticidae__Naticidae  moonshells
        member:  #moonshell  marine gastropods having smooth rounded shells that form short spires
     member:  #family_Littorinidae__Littorinidae  periwinkles
        member:  #genus_Littorina__Littorina  type genus of the family Littorinidae: periwinkles
           member:  #periwinkle.seasnail__winkle  edible marine gastropod
     member:  #limpet  any of various usually marine gastropods with low conical shells; found clinging to rocks in littoral areas
     member:  #family_Patellidae__Patellidae  marine limpets
        member:  #genus_Patella__Patella  type genus of the family Patellidae: common European limpets
           member:  #common_limpet__Patella_vulgata  marine limpet
     member:  #family_Fissurellidae__Fissurellidae  marine limpets
        member:  #genus_Fissurella__Fissurella  type genus of the family Fissurellidae: keyhole limpets
           member:  #keyhole_limpet__keyholelimpet__Fissurella_apertura__Diodora_apertura  marine limpet having a conical shell with an opening at the apex
     member:  #family_Ancylidae__Ancylidae  freshwater gastropod
        member:  #genus_Ancylus__Ancylus  type genus of the family Ancylidae: river limpet
           member:  #river_limpet__riverlimpet__freshwater_limpet__Ancylus_fluviatilis  minute conical gastropod superficially resembling a limpet but living and feeding on freshwater plants
     member:  #subclass_Opisthobranchia__Opisthobranchia  gastropods having the gills when present posterior to the heart and having no operculum: includes sea slugs; sea butterflies; sea hares
        member:  #order_Nudibranchia__Nudibranchia  comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug
           member:  #sea_slug__seaslug  any of various marine gastropods of the suborder Nudibranchia having a shell-less and often beautifully colored body
           member:  #family_Aplysiidae__Aplysiidae__Tethyidae__family_Tethyidae  sea hares
              member:  #genus_Aplysia__Aplysia__Tethys__genus_Tethus  type genus of the family Aplysiidae
                 member:  #sea_hare__seahare__Aplysia_punctata  naked marine gastropod having a soft body with reduced internal shell and two pairs of ear-like tentacles
           member:  #genus_Hermissenda__Hermissenda  genus of marine sea slugs
              member:  #Hermissenda_crassicornis  a kind of sea slug
     member:  #family_Akeridae__Akeridae  bubble shells
        member:  #genus_Haminoea__Haminoea  common genus of marine bubble shells of the Pacific coast of North America
           member:  #bubble_shell  marine gastropod mollusk having a very small thin shell
     member:  #order_Pulmonata__Pulmonata  large order of gastropods usually breathing by means of a lung-like sac comprising most land snails and slugs and many freshwater snails
        member:  #family_Helicidae__Helicidae  land snails including the common edible snail and some pests
           member:  #genus_Helix__Helix  type genus of the family Helicidae
              member:  #edible_snail__Helix_pomatia  one of the chief edible snails
              member:  #garden_snail  any of several inedible snails of the genus Helix; often destructive pests
              member:  #brown_snail__brownsnail__Helix_aspersa  serious garden pest having a brown shell with paler zigzag markings; nearly cosmopolitan
              member:  #Helix_hortensis  a kind of garden snail
        member:  #family_Physidae__Physidae  freshwater snails
           member:  #genus_Physa  type genus of the physidae; freshwater air-breathing snails
              member:  #physa  any member of the genus Physa
     member:  #order_Pectinibranchia__Pectinibranchia  large order of gastropods comprising univalve mollusks that have a single gill resembling a comb
        member:  #family_Cypraeidae__Cypraeidae  family of marine gastropods comprising the cowries
           member:  #genus_Cypraea__Cypraea  type genus of the family Cypraeidae: the typical cowries
              member:  #cowrie__cowry  any of numerous tropical marine gastropods of the genus Cypraea having highly polished usually brightly marked shells
     member:  #subclass_Amphineura__Amphineura  a class of Gastropoda
        member:  #order_Solenogastres__Solenogastres__Aplacophora__order_Aplacophora  an order of Amphineura
           member:  #solenogaster__aplacophoran  deep-water wormlike mollusks lacking calcareous plates on the body but having fine slimy spicules on the covering mantle
  member:  #class_Polyplacophora__Polyplacophora  small class of marine mollusks comprising the chitons; sometimes considered an order of the subclass Amphineura
     member:  #genus_Chiton  a genus of Polyplacophora
        member:  #coat-of-mail_shell__chiton__sea_cradle__seacradle__polyplacophore  primitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates
  member:  #class_Bivalvia__Bivalvia__Lamellibranchia__class_Lamellibranchia__class_Pelecypoda  oysters; clams; scallops; mussels
     member:  #bivalve__lamellibranch  marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
     member:  #spat  a young oyster or other bivalve
     member:  #order_Myaceae__Myaceae  clams
        member:  #family_Myacidae__Myacidae  soft-shell clams
           member:  #genus_Mya__Mya  type genus of the family Myacidae
              member:  #Mya_arenaria__soft-shell_clam__steamer__steamerclam__long-neck_clam  an edible clam with thin oval-shaped shell found in coastal regions of the United States and Europe
        member:  #family_Veneridae__Veneridae  hard-shell clams
           member:  #genus_Venus__Venus  type genus of the family Veneridae: genus of edible clams with thick oval shells
              member:  #Venus_mercenaria__quahog__quahaug__hard-shell_clam__round_clam__roundclam__Mercenaria_mercenaria  an edible American clam
           member:  #genus_Mercenaria__Mercenaria  a genus of Veneridae
        member:  #family_Solenidae__Solenidae  razor clams
           member:  #genus_Ensis__Ensis  razor clams
              member:  #razor_clam__razorclam__jackknife_clam__jackknifeclam__knife-handle__knifehandle  marine clam having a long narrow curved thin shell
     member:  #family_Tridacnidae__Tridacnidae  large marine hard-shell clams
        member:  #genus_Tridacna__Tridacna  type genus of the family Tridacnidae: giant clams
           member:  #giant_clam__giantclam__Tridacna_gigas  giant clam inhabiting reefs in the South Pacific weighing up to 500' pounds
     member:  #family_Cardiidae__Cardiidae  somewhat heart-shaped sand-burrowing bivalve mollusks
        member:  #genus_Cardium__Cardium  type genus of the family Cardiidae: cockles
           member:  #cockle  common edible European bivalve mollusk having a rounded shell with radiating ribs
     member:  #family_Ostreidae__Ostreidae  oysters
        member:  #oyster  marine mollusks having a rough irregular shell; found on the sea bed mostly in coastal waters
        member:  #genus_Ostrea__Ostrea  type genus of the family Ostreidae
           member:  #bluepoint__blue_point  small edible oyster typically from the south shore of Long Island
           member:  #Japanese_oyster__Ostrea_gigas  large native of Japan introduced along United States Pacific coast; candidate for introduction in Chesapeake Bay
        member:  #genus_Crassostrea__Crassostrea  Virginia oysters
           member:  #Virginia_oyster  common edible oyster of Atlantic coast of North America
     member:  #family_Pteriidae__Pteriidae  pearl oysters
        member:  #genus_Pinctada__Pinctada  pearl oysters
           member:  #pearl_oyster__pearloyster__Pinctada_margaritifera  tropical marine bivalve found chiefly off eastern Asia and Pacific coast of North and Central America; a major source of pearls
     member:  #family_Anomiidae__Anomiidae  saddle oysters
        member:  #genus_Anomia__Anomia  type genus of the family Anomiidae: saddle oysters
           member:  #saddle_oyster__Anomia_ephippium  thin-shelled bivalve having the right valve deeply notched
     member:  #genus_Placuna__Placuna  windowpane oysters
        member:  #window_oyster__windowpane_oyster__capiz__Placuna_placenta  marine bivalve common in Philippine coastal waters characterized by a large thin flat translucent shell
     member:  #family_Arcidae__Arcidae  ark shells
        member:  #genus_Arca__Arca  type genus of the family Arcidae: ark shells and blood clams
           member:  #ark_shell__arkshell  marine bivalve mollusk having a heavy toothed shell with a deep boat-like inner surface
           member:  #blood_clam__bloodclam  red-blooded clam
     member:  #family_Mytilidae__Mytilidae  marine mussels
        member:  #genus_Mytilus__Mytilus  type genus of the family Mytilidae: smooth-shelled marine mussels
           member:  #edible_mussel__Mytilus_edulis  dark-shelled edible mussel that lives attached to rocks
        member:  #marine_mussel__mytilid  marine bivalve mollusk having a dark elongated shell; live attached to solid objects especially in intertidal zones
     member:  #family_Unionidae__Unionidae  freshwater mussels found worldwide
        member:  #genus_Unio__Unio  type genus of the family Unionidae
           member:  #pearly-shelled_mussel  the pearly lining of the dark shells is a source of mother-of-pearl
        member:  #genus_Anodonta__Anodonta  thin-shelled freshwater mussels
           member:  #thin-shelled_mussel  mussel with thin fragile shells having only rudimentary hinge teeth
        member:  #genus_Dreissena__Dreissena  zebra mussels
           member:  #zebra_mussel__zebramussel__Dreissena_polymorpha  inch-long mollusk imported accidentally from Europe; clogs utility inlet pipes and feeds on edible freshwater mussels
     member:  #family_Pectinidae__Pectinidae  scallops
        member:  #scallop__scollop__escallop  edible marine bivalve having a fluted fan-shaped shell that swim by expelling water from the shell in a series of snapping motions
        member:  #genus_Pecten  type genus of the family Pectinidae: sea and bay scallops
           member:  #Pecten_irradians__bay_scallop  small scallop inhabiting shallow waters and mud flats of the North American Atlantic coast
           member:  #giant_scallop__giantscallop__sea_scallop__seascallop__Pecten_magellanicus  large scallop inhabiting deep waters of the North American Atlantic coast
     member:  #family_Teredinidae__Teredinidae  shipworms
        member:  #genus_Teredo  type genus of the family Teredinidae
           member:  #teredo  typical shipworm
        member:  #shipworm__teredinid  wormlike marine bivalve that bores into wooden piers and ships by means of drill-like shells
        member:  #genus_Bankia__Bankia  giant shipworms
           member:  #giant_northwest_shipworm__giantnorthwestshipworm__Bankia_setaceae  giant shipworm of the Pacific coast of North America
     member:  #family_Pholadidae__Pholadidae  a family of Bivalvia
        member:  #genus_Pholas__Pholas  type genus of the family Pholadidae: piddocks
           member:  #piddock  marine bivalve that bores into rock or clay or wood by means of saw-like shells
  member:  #class_Cephalopoda__Cephalopoda  octopuses; squids; cuttlefish; pearly nautilus
     member:  #cephalopod_mollusk__cephalopod  marine mollusk characterized by well-developed head and eyes and sucker-bearing tentacles
     member:  #family_Nautilidae__Nautilidae  spiral-shelled cephalopods
        member:  #genus_Nautilus  type genus and sole recent representative of the family Nautilidae
           member:  #chambered_nautilus__pearly_nautilus__nautilus  cephalopod of the Indian and Pacific oceans having a spiral shell with pale pearly partitions
     member:  #subclass_Dibranchiata__Dibranchiata__Dibranchia__subclass_Dibranchia  comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish)
        member:  #order_Octopoda__Octopoda  octopuses and paper nautilus
           member:  #octopod  eight-armed cephalopod lacking an internal shell
           member:  #family_Octopodidae__Octopodidae  a family of Octopoda
              member:  #genus_Octopus  type genus of the family Octopodidae
                 member:  #devilfish__octopus__octopu  bottom-living cephalopod having a soft oval body with eight long tentacles
           member:  #family_Argonautidae__Argonautidae  represented solely by the genus Argonauta
              member:  #genus_Argonauta__Argonauta  type genus of the family Argonautidae: paper nautilus
                 member:  #paper_nautilus__nautilus__Argonauta_argo  cephalopod mollusk of warm seas whose females have delicate papery spiral shells
        member:  #order_Decapoda__Decapoda  squids and cuttlefishes
           member:  #decapod  cephalopods having eight short tentacles plus two long ones
           member:  #genus_Loligo  squids
              member:  #loligo  somewhat flattened cylindrical squid
           member:  #genus_Ommastrephes  a genus of Decapoda
              member:  #ommastrephes  extremely active cylindrical squid with short strong arms and large rhombic terminal fins
           member:  #genus_Architeuthis  giant squid
              member:  #architeuthis__giant_squid__giantsquid  largest mollusk known about but never seen (to 60 feet long)
           member:  #family_Sepiidae__Sepiidae  true cuttlefishes
              member:  #genus_Sepia__Sepia  type genus of the Sepiidae
                 member:  #cuttlefish__cuttle  ten-armed oval-bodied cephalopod with narrow fins as long as the body and a large calcareous internal shell
           member:  #family_Spirulidae__Spirulidae  coextensive with the genus Spirula; included in the order Belemnoidea in some older classifications
              member:  #genus_Spirula  genus of small cephalopods with many-chambered spiral shells resembling those of the extinct belemnites
                 member:  #spirula__Spirula_peronii  a small tropical cephalopod of the genus Spirula having prominent eyes and short arms and a many-chambered shell coiled in a flat spiral
        member:  #order_Belemnoidea__Belemnoidea  order of extinct dibranchiate cephalopods related to the surviving spirulas
           member:  #family_Belemnitidae__Belemnitidae  family of extinct Mesozoic cephalopods
              member:  #belemnite  a conical calcareous fossil tapering to a point at one end and with a conical cavity at the other end containing (when unbroken) a small chambered phragmocone from the shell of any of numerous extinct cephalopods of the family Belemnitidae

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