Molluscs of Southern California
(Click on images or names to open). Yellow background = Introduced species. Squared background is 1/4 inch squares.
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
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| Bivalvia List of Newport Bay Bivalves |
| Cardiidae |
Chamidae |
Mytilidae |
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Pacific eggcockle,
Laevicardium substriatum |
Pacific Jewelbox,
Pseudochama exogyra |
Ribbed Mussel,
Geukensia demissa |
Asian date mussel,
Musculista senhousia |
California Mussel,
Mytilus californianus |
| Ostreidae |
Pectinidae |
Pacific Oyster,
Crassostrea gigas |
Olympia Oyster,
Ostrea conchaphila |
Speckled Scallop,
Argopecten ventricosa |
Giant Rock Scallop,
Crassadoma gigantea |
Kelp Scallop,
Leptopecten latiauratus |
| Petricolidae |
Pholadidae |
Psammobiidae |
Semelidae |
Hearty Petricolid,
Petricola carditoides (?) |
Piddock |
California Jack-knife Clam,
Tagelus californianus |
Asian Semele,
Theora lubrica |
Clipped semele,
Semele decisa |
| Tellinidae |
Veneridae |
Bent-nosed Clam,
Macoma nasuta |
California Venus,
Chione californiensis |
Pacific Littleneck,
Leukoma staminea |
Japanese Littleneck,
Venerupis philippinarum |
California Butter Clam,
Saxidomus nuttalli |
| Cephalopoda |
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Two-spotted Octopus, Octopus bimaculatus |
Octopus, Octopus sp. |
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| Gastropoda |
| Archaeopulmonata |
Notaspidea |
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| Ellobiidae |
Tylodinidae |
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Salt Marsh Snail,
Melampus olivaceus |
Sidegill Slug,
Tylodina fungina |
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| Nudibranchia |
| Chromodorididae |
Discodorididae |
Dorididae |
Dotidae |
Porter's Chromodorid Nudibranch, Mexichromis porterae |
Sea Lemon (Noble Dorid),
Peltodoris nobilis |
San Diego Dorid (Ringed Nudibranch), Diaulula sandiegensis |
Monterey sea-lemon,
Doris montereyensis |
Doto,
Doto sp. |
| Flabellinidae |
Goniodorididae |
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Spanish Shawl,
Flabellina iodinea |
Three-lined aeolid,
Flabellina trilineata |
Pacific Ancula,
Ancula pacifica |
Hopkin's Rose,
Okenia rosacea |
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| Polyceridae |
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Sorcerer's Nudibranch,
Polycera atra |
Speckled Triopha,
Triopha maculata |
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| Opisthobranchia |
| Acteonidae |
Aglajidae |
Aplysiidae |
Striped Barrel Snail,
Rictaxis punctocaelatus |
Striped Sea Hare,
Navanax inermis |
Sea Hare,
Aplysia californica
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California Black Sea Hare,
Aplysia vaccaria |
Eelgrass Sea Hare,
Phyllaplysia taylori |
| Bullidae |
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Gould's Bubble Snail,
Bulla gouldiana |
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| Patellogastropoda |
| Fissurellidae |
Lottidae |
Giant Keyhole Limpet,
Megathura crenulata |
Rough Limpet,
Collisella scabra |
Southern Finger Limpet,
Lottia austrodigitalis |
Owl Limpet,
Lottia gigantea |
File Limpet,
Lottia limatula |
| Sorbeoconcha |
| Conidae |
Cypraeidae |
Hydrobiidae |
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California Cone Snail,
Conus californicus |
Slipper Limpet, Crepidula sp. |
Chestnut Cowrie,
Cypraea spadicea |
New Zealand Mud Snail, Potamopyrgus antipodarum |
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| Littorinidae |
Muricidae |
Checkered Periwinkle,
Littorina scutulata |
Gray Littorine,
Littorina planaxis |
Gem Murex,
Maxwellia gemma |
Festive Murex,
Pteropurpura festiva |
Emarginate Dog Winkle, Nucella emarginata |
| Potamididae |
Vermetidae |
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California Horn Snail,
Cerithidea californica |
Scaly Worm Shell,
Serpulorbis squamigerus |
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| Polyplacophora |
Pulmonata (Land snails) |
| Ischnochitonidae |
Lepidochitonidae |
Mopaliidae |
Helicidae |
Xantonychidae |
Conspicuous Chiton,
Stenoplax conspicua |
 Southern Spiny Chiton,
Nuttallina fluxa |
 Mossy Chiton,
Mopalia muscosa |
Otala lactea
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Southern California Shoulderband, Helminthoglypta tudiculata |
| Vetigastropoda |
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| Haliotidae |
Trochidae |
Turbinidae |
Threaded Abalone, Haliotis kamtschatkana assimilis |
Smooth Brown Turban (Norris' Top Shell), Norrisia norrisi |
Black Turban, Tegula funebralis |
Speckled Turban, Tegula gallina |
Wavy Top Turban |
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