Fil:Littoraria irrorata.jpgDescriptionLittoraria irrorata.jpg English: Snail: Littoraria irrorata, Lichen (on snail): Pyrenocollema halodytes. Date 27 May 2005 Source Photograph
Fil:Marsh periwinkle 002.jpgDescriptionMarsh periwinkle 002.jpg North Inlet - Winyah Bay National Estuarine Research Reserve. The marsh periwinkle snail, Littoraria irrorata (Say, 1822) , can
Fil:Marsh periwinkle 001.jpgDescriptionMarsh periwinkle 001.jpg Marsh periwinkle, Littoraria irrorata (Say, 1822) , on marsh grass. Maryland, Chesapeake Bay. Date 3 September 2002