Lontra canadensis subsp. lataxina Cuvier 1823

Synonyms: Lontra canadensis subsp. interior (Swenk 1920); Lontra canadensis subsp. mollis (Gray 1843); Lontra canadensis subsp. parviceps (Gidley and Gazin 1933); Lontra canadensis subsp. rhoadsi (Cope 1897); Lontra canadensis subsp. vaga (Bangs 1898) .