Molluscs of Orange County, 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 |
Mytilidae |
Pacific Jewelbox,
Pseudochama exogyra |
Ribbed Mussel,
Geukensia demissa |
Asian date mussel,
Musculista senhousia |
California Mussel,
Mytilus californianus |
|
| Ostreidae |
|
|
|
Olympia Oyster,
Ostrea conchaphila |
Pacific Oyster, Crassostrea gigas |
|
|
|
| Pectinidae |
Petricolidae |
Pholadidae |
Psammobiidae |
Giant Rock Scallop,
Crassadoma gigantea |
Speckled Scallop, Argopecten ventricosa |
Hearty Petricolid,
Petricola carditoides (?) |
Piddock |
California Jack-knife Clam,
Tagelus californianus |
| Semelidae |
Veneridae |
Asian Semele,
Theora lubrica |
Clipped semele, Semele decisa |
Pacific Littleneck,
Leukoma staminea |
Japanese Littleneck, Venerupis philippinarum |
California Butter Clam,
Saxidomus nuttalli |
| |
|
|
Cephalopoda |
| |
|
|
Two-spotted Octopus, Octopus bimaculatus |
Octopus, Octopus sp. |
| Gastropoda |
| Archaeogastropoda |
Archaeopulmonata |
|
|
| Fissurellidae |
Ellobiidae |
|
|
Southern Finger Limpet,
Lottia austrodigitalis |
Giant Keyhole Limpet,
Megathura crenulata |
Salt Marsh Snail,
Melampus olivaceus |
|
|
| Docoglossa |
|
Notaspidea |
| Acmaeidae |
|
Tylodinidae |
Rough Limpet,
Collisella scabra |
Owl Limpet,
Lottia gigantea |
File Limpet,
Lottia limatula |
|
Sidegill Slug,
Tylodina fungina |
| Nudibranchiata |
|
|
| Dorididae |
Dotidae |
Goniodorididae |
|
 San Diego Dorid,
Diaulula sandiegensis |
 Doto,
Doto sp. |
 Hopkin's Rose,
Okenia rosacea |
|
|
| Opisthobranchia |
| Acteonidae |
Aglajidae |
Aplysiidae |
Bullidae |
 Striped Barrel Snail,
Rictaxis punctocaelatus |
 Striped Sea Hare,
Navanax inermis |
 Sea Hare,
Aplysia californica
|
 California Black Sea Hare,
Aplysia vaccaria |
 Gould's Bubble Snail,
Bulla gouldiana |
| Sorbeoconcha |
| Conidae |
Cypraeidae |
|
Hydrobiidae |
California Cone Snail,
Conus californicus |
Slipper Limpet, Crepidula sp.
|
Chestnut Cowrie,
Cypraea spadicea |
|
New Zealand Mud Snail, Potamopyrgus antipodarum |
| Littorinidae |
Muricidae |
Checkered Periwinkle,
Littorina scutulata |
Gray Littorine,
Littorina planaxis |
Gem Murex,
Maxwellia gemma |
Festive Murex,
Pteropurpura festiva |
Emarginate Dog Winkle, Nucella emarginata |
| Naticidae |
Potamididae |
Vermetidae |
|
|
Lewis's Moon Snail,
Polinices lewisii |
California Horn Snail,
Cerithidea californica |
Scaly Worm Shell,
Serpulorbis squamigerus |
|
|
| Polyplacophora |
|
Pulmonata (Land snails) |
|
| Mopaliidae |
Lepidochitonidae |
|
Xantonychidae |
|
 Mossy Chiton, Mopalia muscosa |
 Southern Spiny Chiton,
Nuttallina fluxa |
|
Southern California Shoulderband, Helminthoglypta tudiculata |
|
| Vetigastropoda |
|
| Haliotidae |
Trochidae |
Turbinidae |
|
Northern (Pinto) Abalone, Haliotis kamtschatkana |
Speckled Turban |
Black Turban |
Wavy Top Turban |
|
|