Subspecies and Distribution. E. l. lutris Linnaeus, 1758 — NE Russia (Commander Is, Kamchatka, Kurile Is & Sakhalin I). E. l. kenyoni Wilson, 1991 — Aleutian Is through Alaska and W Canada (Vancouver I) to W USA (Washington). E. l. nereis Merriam, 1904 — USA (California). in Mustelidae

Subspecies and Distribution. E. l. lutris Linnaeus, 1758 — NE Russia (Commander Is, Kamchatka, Kurile Is & Sakhalin I). E. l. kenyoni Wilson, 1991 — Aleutian Is through Alaska and W Canada (Vancouver I) to W USA (Washington). E. l. nereis Merriam, 1904 — USA (California).Published as part of Don E. Wilson & Russell A. Mittermeier, 2009, Mustelidae, pp. 564-656 in Handbook of the Mammals of the World – Volume 1 Carnivores, Barcelona :Lynx Edicions on page 643, DOI: 10.5281/zenodo.571404