Littorina obtusata, common name the flat periwinkle
1:57
Littorina littorea
3:26
IMBRSea Joint School 2018: Edition 2 Team 1
Littorina saxatilis, common name the rough periwinkle, is a species of small sea snail, a marine gastropod mollusc in the family Littorinidae, the winkles or periwinkles. First identified in the 1700s, it has been misidentified as a new species 112 times.