swirensis, Coregonus lavaretus baeri natio Pravdin [I. F.] 1931:201, Pl. 8 [Izvestiya Nauch.-Issled Ikhtiologicheskogo Instituta, Leningrad v. 12 (no. 1); ref. 18572] Not available from above, infrasubspecific; from Svir River, Russia. Appeared first as name only in Polyakov 1874:XXXI [ref. 19594]. •In the synonymy of Coregonus lavaretus (Linnaeus 1758) -- (Berg 1948:368 [ref. 12882]). •Questionably in the synonymy of Coregonus widegreni Malmgren 1863 -- (Kottelat 1997:119 [ref. 22952]). Infrasubspecific. Current status: Synonym of Coregonus widegreni Malmgren 1863. Salmonidae: Coregoninae.