Molluscs of Southern California
(Click on images or names to open). Yellow background
= Introduced species
Photographed and compiled by Peter J.
Bryant (pjbryant@uci.edu)
Department of
Developmental and Cell Biology, University of California, Irvine, CA 92697
and some guests |
| Bivalvia |
| Chamidae |
Galeommatidae |
|
Pacific
Jewelbox,
Pseudochama exogyra |
Internally-shelled clam,
Chlamydoconcha orcutti |
|
|
|
| Mytilidae |
|
 Quagga Mussel,
Dreissena rostriformis bugensis |
Ribbed Mussel,
Geukensia demissa |
Asian
date mussel,
Musculista senhousia |
California Mussel,
Mytilus californianus |
|
| Ostreidae |
Pectinidae |
Petricolidae |
Olympia Oyster,
Ostrea conchaphila |
Pacific Oyster,
Crassostrea gigas |
Giant
Rock Scallop,
Crassadoma gigantea |
Speckled Scallop,
Argopecten ventricosa |
Hearty Petricolid,
Petricola carditoides (?) |
| Pholadidae |
Solecurtidae |
Piddock |
Neighbor Tagelus,
Tagelus affinis |
California
Jack-knife Clam,
Tagelus californianus |
Lesser Tagelus,
Tagelus subteres |
|
| Semelidae |
Veneridae |
Asian Semele,
Theora lubrica |
Clipped semele,
Semele decisa |
Pacific
Littleneck,
Leukoma staminea |
Japanese
Littleneck,
Venerupis philippinarum |
California
Butter Clam,
Saxidomus nuttalli |
| Ungulinidae |
|
|
|
|
Orb Diplodon,
Diplodonta orbella |
|
|
|
|
| Cephalopoda |
|
|
California two-spot Octopus,
Octopus bimaculoides
|
Octopus |
|
|
|
| Gastropoda |
| Archaeogastropoda |
Archaeopulmonata |
| Fissurellidae |
Lottiidae |
Ellobiidae |
Volcano Limpet,
Fissurella volcano |
Southern Finger
Limpet,
Lottia austrodigitalis |
Giant Keyhole Limpet,
Megathura crenulata |
Painted Limpet,
Tectura depicta |
Salt Marsh Snail,
Melampus olivaceus |
| Docoglossa |
|
| Acmaeidae |
|
|
Rough Limpet,
Collisella scabra |
Owl Limpet,
Lottia gigantea |
File
Limpet,
Lottia limatula |
|
|
| Littorinimorpha |
Notaspidea |
| Atlantidae |
Pterotracheidae |
Triviidae |
Tylodinidae |
Sea snail,
Atlanta californiensis |
 Sea elephant,
Firoloida desmarestia. |
Coffee Bean Snail,
Pseudopusula californiana |
Solander's Trivia,
Pusula solandri |
Sidegill Slug,
Tylodina fungina |
| Nudibranchiata |
| Aegiridae |
Aeolidiidae |
Chromo-
dorididae |
Corambidae |
Salt-and-pepper Doris,
Aegires albopunctatus |
Shaggy Mouse Nudibranch,
Aeolidia papillosa |
Red-tentacled Spurilla,
Spurilla oliviae
|
 California Blue Dorid,
Felimare californiensis |
Frost-spot Nudibranch,
Corambe pacifica
|
| Dironidae |
Dorididae |
Dotidae |
|
Painted Dirona,
Dirona picta |
San Diego Dorid,
Diaulula sandiegensis |
Hammerhead Doto,
Doto amyra
|
British Columbia Doto,
Doto columbiana
|
|
| Fionidae |
Flabellinidae |
 Fiona nudibranch,
Fiona pinnata |
Bertsch's Aeolid,
Flabellina bertschi |
Spanish shawl,
Flabellina iodinea
|
Three-lined aeolid,
Flabellina trilineata |
Red-gilled Nudibranch,
Flabellina verrucosa |
| Goniodorididae |
|
|
Atlantic Ancula,
Ancula gibbosa |
 Hopkin's Rose,
Okenia rosacea
|
|
|
|
Onchidorididae |
Plakobranchidae |
Polyceratidae |
Trinchesiidae |
Black-tipped Spiny Doris,
Acanthodoris rhodoceras |
Hedgpeth's sea hare,
Elysia hedgpeth
|
Sorcerer's Nudibranch,
Polycera atra |
Hedgpeth's dorid,
Polycera hedgpethi |
White-crusted Aeolid,
Tenellia (=Cuthona) albocrusta |
| Opisthobranchia |
| Acteonidae |
Aglajidae |
Aplysiidae |
 Striped Barrel Snail,
Rictaxis punctocaelatus |
 Striped Sea Hare,
Navanax inermis |
 Sea Hare,
Aplysia
californica
|
 California
Black Sea
Hare,
Aplysia vaccaria |
Eelgrass Sea Hare,
Phyllaplysia taylori |
| Bullidae |
Hermaeidae |
Haminoeidae |
Limapontidae |
Pyramidellidae |
 Bubble Snail,
Bulla gouldiana |
Enteromorpha-eating Sapsucker,
Aplysiopsis enteromorpha |
Blister Glassy-bubble,
Haminoea vesicula
|
Brown-streak Stiliger,
Stiliger fuscovittatus |
Adams' pyram,
Pyramidella adamsi |
| Sorbeoconcha |
| Conidae |
Cypraeidae |
California Cone
Snail,
Conus californicus |
Slipper Limpet,
Crepidula cf perforans |
Slipper limpet,
Crepidula naticarum |
Onyx Slipper Limpet,
Crepidula onyx |
Chestnut Cowrie,
Neobernaya spadicea
|
| Hydrobiidae |
Littorinidae |
|
|
New
Zealand Mud Snail,
Potamopyrgus antipodarum |
Checkered
Periwinkle,
Littorina scutulata |
Gray
Littorine,
Littorina planaxis |
|
|
| Muricidae |
Angular Unicorn,
Acanthinucella spirata |
Belcher's Murex,
Forreria belcheri |
Gem Murex,
Maxwellia gemma |
Striped Dogwinkle,
Nucella emarginata |
Festive Murex,
Pteropurpura festiva |
Poulson's Dwarf Triton,
Roperia poulsoni |
|
|
|
|
| Naticidae |
Potamididae |
|
Vermetidae |
Smooth Brown Turban (Norris' Top Shell), Norrisia norrisi |
Moon Snail,
Neverita reclusiana |
California Horn Snail,
Cerithideopsis californica |
|
Scaly
Worm Shell,
Thylacodes squamigerus
|
| Polyplacophora |
Pulmonata (Land snails) |
|
|
| Mopaliidae |
Lepido-
chitonidae |
Xantonychidae |
|
 Mossy Chiton,
Mopalia
muscosa |
 Southern
Spiny Chiton,
Nuttallina fluxa |
Southern California Shoulderband, Helminthoglypta tudiculata |
|
|
| Stylommatophora |
|
|
| Helicidae |
Subulinidae |
|
|
European Garden Snail,
Cornu aspersum |
Spanish Snail,
Otala lactea |
Decollate Snail,
Rumina decollata |
|
|
| Vetigastropoda |
|
| Haliotidae |
|
Black Abalone,
Haliotis cracherodii |
Green Abalone,
Haliotis fulgens |
Red Abalone,
Haliotis rufescens |
Threaded Abalone, Haliotis kamtschatkana assimilis
|
|
| Trochidae |
Turbinidae |
|
Speckled Turban,
Tegula gallina |
Black Turban,
Tegula funebralis |
Wavy Top Turban,
Astraea undosa |
|
|
|
|