. . . . . . . . . "Lontra canadensis" . . "Cephalaspidomorphi" . . "Len Mazur. 2016. Lontra canadensis eating Cephalaspidomorphi. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2944616> 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." .