Littorina aleutica is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles. Distribution Locality: Aleutian Islands, Fox Islands, Akutan Pass, Alaska, United States, North Pacific Ocean References Littorinidae Marine molluscs of North America Fauna of Alaska Aleutian Islands Molluscs of the United States Gastropods described in 1872 Endemic fauna of Alaska