lenensis, Thymallus arcticus Weiss [S. J.], Knizhin [I. B.], Kirillov [A.] & Froufe [E.] 2006:521 [Biological Journal of the Linnean Society v. 88; ref. 29557] Lena River drainages, Russia. No types established. No types named, so not available. •Not available, proposed as a "preliminary" name for a population of Thymallus from the Lena River basin, Siberia, Russia. Current status: Uncertain as Thymallus arcticus (Pallas 1776). Salmonidae: Thymallinae.