tscholmugensis, Coregonus Danilewsky [N. Y.] 1873:69, footnote [Sel'skoe khozyaistvo i lesovodstvo 113, supplement; ref. 19626] Bay of Lake Onega, Russia. No types known. Original not seen. •Synonym of Coregonus lavaretus (Linnaeus 1758) -- (Berg 1948:377 [ref. 12882], Reshetnikov 1998:43 [ref. 23570]). •Questionably a synonym of Coregonus widegreni Malmgren 1863 -- (Kottelat 1997:119 [ref. 22952]). Current status: Synonym of Coregonus widegreni Malmgren 1863. Salmonidae: Coregoninae. Habitat: freshwater, brackish, marine.