Laevilitorina granum is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.
[1] Laevilitornia granum is commonly found in the Western Atlantic Ocean.
https://www.sealifebase.ca/summary/Laevilitorina-granum.html This Littorinidae-related article is a stub.
You can help Wikipedia by expanding it.