. . . . . . . . . "Chthamalus dalli" . . "Littorinidae" . . "Julie. 2017. Chthamalus dalli associated with Littorinidae. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/7008814> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .