Diodora aspera
(Rathke, 1833)

Mollusca, Gastropoda, Fissurellidae

Height: 70 mm

Habitat: under stones, large boulders, algae canopy

Documented occurrences of Diodora aspera:



Localities by County, City/Area, and Name Year Earliest* Latest*

Los Angeles Long Beach Long Beach General
Los Angeles San Pedro San Pedro Bay 1892
Los Angeles Santa Catalina Island Santa Catalina Island General 1892
Los Angeles Long Beach Long Beach General 1959
Los Angeles Palos Verdes Peninsula Whites Point 1965
San Diego Mission Bay Morrison X 1929
San Diego Mission Bay Morrison XI 1929
San Diego Mission Bay Quivira Basin 1970
San Diego Mission Bay Quivira Basin 1973
San Diego Mission Bay Quivira Basin 1970
San Diego Mission Bay Quivira Basin 1966
San Diego Mission Beach Mission Beach General 1981
San Diego Coronado Island Coronado Island General
San Diego Mission Bay Mission Bay General 1965
San Diego La Jolla La Jolla General
San Diego La Jolla La Jolla General
San Diego San Diego San Diego General
San Diego Point Loma Cabrillo National Monument General 1976
San Diego San Diego San Diego General 1885
San Diego Mission Bay Mission Bay General
San Diego Mission Bay Mission Bay Breakwater/Entrance Channel 1958
San Diego Mission Bay Mission Bay Breakwater/Entrance Channel 1957
San Diego Mission Bay Mission Bay Breakwater/Entrance Channel 1958
San Diego Mission Bay Mission Bay General 1942
San Diego La Jolla La Jolla General 1959
San Diego La Jolla La Jolla General 1969
San Diego Mission Bay Quivira Basin 1965
San Diego Mission Bay Quivira Basin 1965
San Diego Mission Bay Mission Bay South Seawall 1962
Santa Barbara Santa Barbara Island Santa Barbara Island General 1963
Santa Barbara Point Conception E and W sides of Government Point, 1.3 milles milles SE of Point Conception Lt. 1988
Santa Barbara Point Conception E and W sides of Government Point, 1.3 milles milles SE of Point Conception Lt. 1988
Santa Barbara San Miguel Island 0.3 miles SE of Bay Point 1967
Santa Barbara Goleta Coal Oil Point 1961
Ventura San Nicolas Island San Nicolas Island General
Ventura San Nicolas Island San Nicolas Island General 1969
Ventura San Nicolas Island San Nicolas Island General
Ventura Oxnard Harbor 1965