Description: English: Anatomy of Littorina. Date: 1896. Source: Lydekker R. (ed.) (1896). The royal natural history 6(section 12): page 369. Author: Richard Lydekker (1849-1915) editor.
Description: Français : Littorine. Date: circa 1900 date QS:P,+1900-00-00T00:00:00Z/9,P1480,Q5727902. Source: Nouveau Larousse illustré. Author: Adolphe Millot. Other versions:.