lenensis, Coregonus tugun Berg [L. S.] 1932:210 [Les poissons des eaux douces de l'U.R.S.S. Part 1; ref. 278] Lena River basin, Russia. No types known. •Synonym of Coregonus tugun (Pallas 1814), but a valid subspecies as described -- (Berg 1948:336 [ref. 12882]). •Synonym of Coregonus tugun (Pallas 1814) -- (Parin et al. 2014:126 [ref. 33547]). Current status: Synonym of Coregonus tugun (Pallas 1814). Salmonidae: Coregoninae. Habitat: freshwater.