The following description and range information is taken from A Collectors Guide to West Coast Chitons by Glenn & Laura Burghardt, 1969, SFAS Publications (unless stated otherwise)

 

 

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Lepidochitona (Dendrochiton) flectens (Carpenter, 1864)
ISCHNOCHITONIDAE
Range: Sitka, Alaska to San Diego, California



Lepidochitona hartwegi (Carpenter, 1855)
LEPIDOCHITONIDAE
Range: Forrester Island, Alaska to Gulf of California



Nuttallina californica Nuttall in Reeve, 1847
ISCHNOCHITONIDAE
Range: Straits of Juan de Fuca, Washington to San Diego, California



Nuttallina fluxa Carpenter, 1864
ISCHNOCHITONIDAE
Range: Monterey, California to Gulf of California, Mexico



Tonicella insignis (Reeve, 1847)
ISCHNOCHITONIDAE
Range: Alaska to Puget Sound, Washington



Tonicella lineata (Wood,1815)
ISCHNOCHITONIDAE
Range: Aleutian Islands to San Diego, California



Tonicella rubra (Linne, 1767)
ISCHNOCHITONIDAE
Range: Circumboreal. Artic Ocean to Monterey, California



Chaetopleura gemma Carpenter in Pilsbry, 1893
ISCHNOCHITONIDAE
Range: Vancouver Island, British Columbia to Magdalena Bay, Baja California



Stenoplax conspicua Carpenter in Pilsbry, 1892
ISCHNOCHITONIDAE
Range: Santa Barbara, California to Gulf of California, Mexico



Stenoplax fallax Carpenter in Pilsbry, 1892
ISCHNOCHITONIDAE
Range: Vancouver Island, British Columbia to Todos Santos Bay, Baja California



Stenoplax heathiana Berry, 1946
ISCHNOCHITONIDAE
Range: Fort Bragg, California to Santa Tomas, Baja California, Mexico



Lepidozona cooperi (Carpenter in Dall, 1879)
ISCHNOCHITONIDAE
Range: Puget Sound, Washington to Catalina Island, California



Lepidozona interstincta (Gould,1852)
ISCHNOCHITONIDAE
Range: Aleutian Islands, Sitka, Alaska to San Pedro, California



Lepidozona mertensii (von Middendorff, 1847)
ISCHNOCHITONIDAE
Range: Sitka, Alaska to Guadalupe Island, Mexico



Ischnochiton regularis (Carpenter, 1855)
ISCHNOCHITONIDAE
Range: Mendocino County, California to Gorda, California



Callistochiton crassicostatus Pilsbry, 1893
ISCHNOCHITONIDAE
Range: Forrester Island, Alaska to San Diego, California



Callistochiton decoratus Carpenter in Pilsbry, 1893
ISCHNOCHITONIDAE
Range: Santa Barbara, California to Todos Santos Bay, Baja California



Mopalia acuta (Carpenter, 1855)
MOPALIIDAE
Range: Monterey, California to San Quentin Bay, Baja California



Mopalia ciliata (Sowerby, 1840)
MOPALIIDAE
Range: Alaska to Baja California



Mopalia cirrataBerry, 1919
MOPALIIDAE
Range: Dundas Bay, Alaska to San Francisco Bay, California



Mopalia ferreirai Clark, 1991
MOPALIIDAE
Range: Prince William Sound, Alaska to Carmel, Monterey Bay, California



Mopalia lignosa (Gould, 1846)
MOPALIIDAE
Range: Sitka, Alaska to Madgalena Bay, Baja California, Mexico



Mopalia muscosa (Gould, 1846)
MOPALIIDAE
Range: Shumagin Islands, Alaska to Rosario, Baja California, Mexico



Mopalia spectabilis Cowan & Cowan, 1977
MOPALIIDAE
Range: Kodiak, Alaska to Santa Barbara County, California



Mopalia swanii Carpenter, 1864
MOPALIIDAE
Range: Alaska to Malibu, California



Mopalia vespertina (Gould, 1852)
MOPALIIDAE
Range: Sitka, Alaska to Olympia, Washington



Amicula vestita (Broderip & Sowerby, 1829)
MOPALIIDAE
Range: Artic Ocean and Bering Sea to Pribilof & Hagemeister Islands (Pacific). Atlantic Ocean south to Cape Cod



Placiphorella velata Carpenter in Dall, 1879
MOPALIIDAE
Range: Puget Sound, Washington to Todos Santos Bay, Baja California, Mexico



Katharina tunicata (Wood, 1815)
MOPALIIDAE
Range: Bering Sea, Cook's Inlet, Alaska to Catalina Island, California



Cryptochiton stelleri (von Middendorff, 1847)
ACANTHOCHITONIDAE
Range: Bering Island to Japan in Western Pacific. Aleutian Islands to San Miguel and San Nicholas Islands, California


Oldroydia percrassa (Dall, 1894)
LEPTOCHITONIDAE
Range: Monterey Bay, California to San Martin Island, Baja California