Phylum Mollusca

Children (taxonomic leaves 🌿): 146

Class Bivalvia


Order Adapedonta

Family Pharidae
Genus Siliqua
  • Pacific Razor Clam (Siliqua patula)

    • Order Arcida

    Family Arcidae
    Genus Lunarca
  • Blood Ark (Lunarca ovalis)

    • Order Cardiida

    Family Cardiidae
    Genus Clinocardium
  • Nuttall's Cockle (Clinocardium nuttallii)
    • Genus Trachycardium
  • Florida Prickly Cockle (Trachycardium egmontianum)
    • Family Donacidae
    Genus Donax
  • Gould Beanclam (Donax gouldii)
    • Family Psammobiidae
    Genus Gari
  • California Sunset Clam (Gari californica)
    • Family Tellinidae
    Genus Macoma
  • Bent-nosed Clam (Macoma nasuta)
    • Genus Megangulus
  • Bodega Tellin (Megangulus bodegensis)

    • Order Carditida

    Family Carditidae
    Genus Glans
  • Carpenter Carditid (Glans carpenteri)

    • Order Lucinida

    Family Lucinidae
    Genus Epilucina
  • California Lucine (Epilucina californica)

    • Order Myida

    Family Dreissenidae
    Genus Dreissena
  • Quagga Mussel (Dreissena bugensis)
    • Genus Mytilopsis
  • Dark False Mussel (Mytilopsis leucophaeata)
    • Family Myidae
    Genus Mya
  • Soft-shelled Clam (Mya arenaria)
    • Family Pholadidae
    Genus Parapholas
  • Scale-sided Piddock (Parapholas californica)
    • Genus Penitella
  • Flat-tip Piddock (Penitella penita)
    • Genus Zirfaea
  • Rough Piddock (Zirfaea pilsbryi)

    • Order Mytilida

    Family Mytilidae
    Genus Adula
  • Curved Datemussel (Adula gruneri)
    • Genus Geukensia
  • Atlantic Ribbed Mussel (Geukensia demissa)
    • Genus Ischadium
  • Hooked Mussel (Ischadium recurvum)
    • Genus Mytilisepta
  • Bifurcate Mussel (Mytilisepta bifurcata)
    • Genus Mytilus
  • Blue Mussel Complex (Mytilus edulis)
  • California Mussel (Mytilus californianus)
    • Genus Modiolus
  • Straight Horsemussel (Modiolus rectus)

    • Order Ostreoida

    Family Ostreidae
    Genus Crassostrea
  • Eastern Oyster (Crassostrea virginica)

    • Order Pectinida

    Family Anomiidae
    Genus Pododesmus
  • Green Falsejingle (Pododesmus macrochisma)
    • Family Pectinidae
    Genus Argopecten
  • Atlantic Bay Scallop (Argopecten irradians)
    • Genus Crassadoma
  • Giant Rock Scallop (Crassadoma gigantea)

    • Order Pholadomyoida

    Family Lyonsiidae
    Genus Entodesma
  • Northwest Ugly Clam (Entodesma navicula)

    • Order Sphaeriida

    Family Sphaeriidae

    Order Unionoida

    Family Unionidae
    Genus Elliptio
  • Eastern Elliptio (Elliptio complanata)
  • Northern Lance (Elliptio fisheriana)
    • Genus Lampsilis
  • Fatmucket (Lampsilis siliquoidea)
  • Plain Pocketbook (Lampsilis cardium)
    • Genus Pyganodon
  • Eastern Floater (Pyganodon cataracta)

    • Order Venerida

    Family Chamidae
    Genus Chama
  • Clear Jewel Box (Chama arcana)
    • Family Corbinculidae
    Genus Corbicula
  • Asian Clam (Corbicula fluminea)
    • Family Mactridae
    Genus Mactromeris
  • Dish Surfclam (Mactromeris catilliformis)
    • Genus Rangia
  • Atlantic Rangia (Rangia cuneata)
    • Genus Tresus
  • Pacific Gaper (Tresus nuttallii)
  • Strange Gaper (Tresus allomyax)
    • Family Tellinidae
    Genus Tagelus
  • Stout Tagelus (Tagelus plebeius)
    • Family Ungulinidae
    Genus Zemysina
  • Orb Diplodon (Zemysina orbella)
    • Family Veneridae
    Genus Leukoma
  • Pacific Littleneck Clam (Leukoma staminea)
    • Genus Mercenaria
  • Northern Quahog (Mercenaria mercenaria)
    • Genus Petricola
  • Hearty Petricola (Petricola carditoides)
    • Genus Saxidomus
  • California Butterclam (Saxidomus nuttalli)
    • Genus Tivela
  • Pismo Clam (Tivela stultorum)

    • Class Cephalopoda


    Order Myopsida


    Order Octopoda

    Family Octopodidae
    Genus Octopus

    Order Oegopsida

    Family Ommastrephidae
    Genus Dosidicus
  • Humboldt Squid (Dosidicus gigas)

    • Class Gastropoda

    Family Achatinidae
    Genus Lissachatina
  • Giant African Snail (Lissachatina fulica)
    • Family Physidae
    Genus Physa

    Order Aplysiida

    Family Aplysiidae
    Genus Aplysia
  • California Seahare (Aplysia californica)

    • Order Archaeogastropoda

    Family Haliotidae
  • Abalone (Genus Haliotis)

    • Order Architaenioglossa

    Family Ampullariidae
    Genus Pomacea
  • Island Apple Snail (Pomacea maculata)
    • Family Viviparidae
    Genus Cipangopaludina
  • Chinese Mystery Snail (Cipangopaludina chinensis)

    • Order Basommatophora

    Family Physidae
    Genus Physa
  • Physa sp.

    • Order Lepetellida

    Family Fissurellidae
    Genus Diodora
  • Rough Keyhole Limpet (Diodora aspera)
    • Genus Fissurella
  • Volcano Keyhole Limpet (Fissurella volcano)
    • Genus Megathura
  • Giant Keyhole Limpet (Megathura crenulata)
    • Family Haliotidae
    Genus Haliotis
  • Black Abalone (Haliotis cracherodii)
  • Red Abalone (Haliotis rufescens)

    • Order Littorinimorpha

    Family Eratoidae
    Genus Hespererato
  • Appleseed Erato (Hespererato vitellina)

    • Superfamily Calyptraeoidea

    Family Calyptraeidae
    Genus Crepidula
  • Hooked Slippersnail (Crepidula adunca)

    • Superfamily Cypraeoidea

    Family Triviidae
    Genus Pseudopusula
  • Coffee Bean Trivia (Pseudopusula californiana)

    • Superfamily Vermetoidea

    Family Vermetidae
    Genus Thylacodes
  • Scaled Worm Snail (Thylacodes squamigerus)

    • Order Neogastropoda

    Family Busyconidae
    Genus Sinistrofulgur
  • Lightning Whelk (Sinistrofulgur sinistrum)
    • Family Columbellidae
    Genus Amphissa
  • Wrinkled Amphissa (Amphissa columbiana)
    • Family Conidae
    Genus Californiconus
  • California Cone (Californiconus californicus)
    • Family Melongenidae
    Genus Busycotypus
  • Channeled Whelk (Busycotypus canaliculatus)
    • Genus Melongena
  • American Crown Conch (Melongena corona)
    • Family Mitridae
    Genus Atrimitra
  • Ida's Mitre (Atrimitra idae)
    • Family Muricidae
    Genus Acanthinucella
    Genus Ceratostoma
  • Leafy Hornmouth (Ceratostoma foliatum)
    • Genus Nucella
  • Channeled Dog Winkle (Nucella canaliculata)
    • Genus Paciocinebrina
  • Circled Rocksnail (Paciocinebrina circumtexta)
    • Family Nassariidae
    Genus Caesia
  • Channeled Basket Snail (Caesia fossata)
    • Family Olividae
    Genus Olivella
  • Purple Dwarf Olive Snail (Olivella biplicata)

    • Order Neotaenioglossa

    Family Littorinidae
    Genus Littorina
  • Eroded Periwinkle (Littorina keenae)
  • Marsh Periwinkle (Littorina irrorata)
    • Family Pleuroceridae
    Genus Elimia
  • Piedmont Elimia (Elimia virginica)

    • Order Nudibranchia

    Family Goniodorididae
    Genus Ceratodoris
  • Hopkins's Rose Nudibranch (Ceratodoris rosacea)
    • Family Myrrhinidae
    Genus Hermissenda
  • Opalescent Nudibranch (Hermissenda opalescens)
  • Thick-horned Nudibranch (Hermissenda crassicornis)

    • Suborder Doridina

    Family Dendrodorididae
    Genus Doriopsilla
  • White-spotted Dorid (Doriopsilla fulva)
    • Family Discodorididae
    Genus Baptodoris
  • Mimic Dorid (Baptodoris mimetica)
    • Genus Diaulula
  • San Diego Dorid (Diaulula sandiegensis)
    • Family Dorididae
    Genus Doris
  • Monterey Doris (Doris montereyensis)

    • Order Pleurobranchida

    Family Pleurobranchidae
    Genus Pleurehdera
  • Strong's Sidegill (Pleurehdera strongi)

    • Order Stylommatophora

    Family Agriolimacidae
    Genus Deroceras
  • Milky Slug (Deroceras reticulatum)
    • Family Ariolimacidae
    Genus Ariolimax
  • Button's Banana Slug (Ariolimax buttoni)
  • Pacific Banana Slug (Ariolimax columbianus)
  • Slender Banana Slug (Ariolimax dolichophallus)
  • Southern Pacific Banana Slug (Ariolimax stramineus)
    • Genus Prophysaon
  • Reticulate Taildropper (Prophysaon andersonii)
    • Family Arionidae
    Genus Arion
  • Dusky Arion (Arion subfuscus)
  • Arion sp.
    • Family Bulimulidae
    Genus Mesembrinus
  • Lined Treesnail (Mesembrinus multilineatus)
    • Family Cerionidae
    Genus Cerion
    Family Cionellidae
    Genus Cochlicopa
  • Glossy Pillar (Cochlicopa lubrica)
    • Family Haplotrematidae
    Genus Haplotrema
  • California Lancetooth Snail (Haplotrema minimum)
    • Family Helicarionidae
    Genus Ovachlamys
  • Jumping Snail (Ovachlamys fulgens)
    • Family Helicidae
    Genus Cornu
  • Garden Snail (Cornu aspersum)
    • Family Limacidae
    Genus Ambigolimax
    Genus Limacus
  • Yellow Cellar Slug (Limacus flavus)
    • Genus Limax
  • Leopard Slug (Limax maximus)
    • Family Milacidae
    Genus Milax
  • Greenhouse Slug (Milax gagates)
    • Family Oxychilidae
    Genus Oxychilus
    Family Philomycidae
    Genus Megapallifera
    Genus Pallifera
    Genus Philomycus
    Family Polygyridae
    Genus Allogona
  • Broad-banded Forestsnail (Allogona profunda)
    • Genus Neohelix
  • Whitelip (Neohelix albolabris)
    • Family Solaropsidae
    Genus Caracolus
  • Puerto Rican Tree Snail (Caracolus caracolla)
    • Family Strophocheilidae
    Genus Megalobulimus
    Family Succineidae
    Family Xanthonychidae
    Genus Helminthoglypta
  • Cypress Shoulderband Snail (Helminthoglypta dupetithouarsi)
  • Nicklin's Shoulderband Snail (Helminthoglypta nickliniana)
  • Redwood Shoulderband Snail (Helminthoglypta sequoicola)
  • San Lorenzo Shoulderband Snail (Helminthoglypta exarata)

    • Order Systellommatophora

    Family Veronicellidae
    Genus Vaginulus
  • Vaginulus taunaisii

    • Order Trochida

    Family Calliostomatidae
    Genus Calliostoma
  • Blue-Ringed Top Snail (Calliostoma ligatum)
  • Jeweled Top Snail (Calliostoma annulatum)
    • Family Colloniidae
    Genus Gigahomalopoma
  • Dall's Dwarf Turban (Gigahomalopoma luridum)
    • Family Tegulidae
    Genus Tegula
  • Black Tegula (Tegula funebralis)
  • Brown Tegula (Tegula brunnea)
    • Family Turbinidae
    Genus Pomaulax
  • Red Turban Snail (Pomaulax gibberosus)
  • Subclass Patellogastropoda (True Limpets)

    • Superfamily Cerithioidea

    Family Batillariidae
    Genus Batillaria
  • Japanese False Cerith (Batillaria attramentaria)
    • Genus Lampanella
  • West Indian False Cerith (Lampanella minima)
    • Family Thiaridae
    Genus Melanoides
  • Red-rimmed Melania (Melanoides tuberculata)

    • Superfamily Epitonioidea

    Family Epitoniidae
    Genus Opalia
  • Boreal Wentletrap (Opalia wroblewskyi)

    • Superfamily Lymnaeoidea

    Family Planorbidae

    Class Polyplacophora


    Order Chitonida

    Family Acanthochitonidae
    Genus Cryptochiton
  • Gumboot Chiton (Cryptochiton stelleri)
    • Family Ischnochitonidae
    Genus Stenoplax
    Family Mopaliidae
    Genus Mopalia
  • Mossy Chiton (Mopalia muscosa)
    • Family Tonicellidae
    Genus Cyanoplax
  • Cyanoplax hartwegii
    • Genus Nuttallina
  • California Spiny Chiton (Nuttallina californica)
    • Genus Tonicella
  • Flame Lined Chiton (Tonicella lokii)

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