†Littorina mariana alta Arnold 1909 (periwinkle)
Gastropoda - Sorbeoconcha - Littorinidae
Full reference: R. Arnold. 1909. Paleontology of the Coalinga District, Fresno and Kings Counties, California. United States Geological Survey Bulletin 396:1-173
Belongs to Littorina mariana according to R. Arnold 1909
Sister taxa: none
Type specimen: USNM 165487, a shell
Ecology: epifaunal grazer
Distribution: there are no occurrences of Littorina mariana alta in the database