lacustris, Thymallus arcticus Gundriser [A. N.] 1967:86, fig. 3 [Uchenye Zapiski. Tomsky Ordena Trudovogo Krasnogo Znameni Gosudarstvennyi Universitet Imeni V.V. Kuibysheva. Tomsk No. 53; ref. 36007] Lake in the Bol’shoy Yenisei drainage, Siberia, Russia Syntypes (several): whereabouts unknown. •Questionable synonym of Thymallus svetovidovi Knizhin & Weiss 2009 -- (Dyldin et al. 2017:116 [ref. 35967]). Current status: Synonym of Thymallus svetovidovi Knizhin & Weiss 2009. Salmonidae: Thymallinae. Habitat: freshwater.