Summary[
edit] Description: English: Upper side of the shell of coastal marine mollusk Littorina littorea (Linnaeus, 1758)
[1], the edible periwinkle; from Mediterranean Sea, north Atlantic, English Channel, North Sea and West Baltic. CAMPBELL, Andrew C.; NICHOLLS, James (1980). The Hamlyn Guide to the Seashore and Shallow Seas of Britain and Europe. England: The Hamlyn Publishing Group. p. 150. 320 pp.
ISBN 0-600-34019-8. Date: 24 February 2020. Source: Own work. Author:
Mário NET.