baltica, Coregonus lavaretus forma Thienemann [A.] 1921:183, 188 [Archiv für Naturgeschichte v. 87 (pt A no. 2); ref. 15332] Schlei River, Germany. No types known. A possible type from the Thienemann collection in ZSM. Name possibly available from Thienemann 1919:144 [ref. 38053]. More completely described and figured in Thienemann 1922:455, Pl. 8 (figs. 13, 15) [ref. 23031]. Neotype designated by Fricke 1999:28 [ref. 24101], but withdrawn in Fricke 2000:639 [ref. 24537]. •Questionably a synonym of Coregonus maraena (Bloch 1779) -- (Kottelat 1997:116 [ref. 22952]). •Synonym of Coregonus lavaretus (Linnaeus 1758), but a valid subspecies as described, as balticus Thienemann 1921 -- (Fricke 1999:28 [ref. 24101] dated 1922). •Valid as Coregonus balticus Thienemann 1921 -- (Fricke 2007:25 [ref. 30577]). •Synonym of Coregonus widegreni Malmgren 1863 -- (Parin et al. 2014:126 [ref. 33547] with question). Current status: Synonym of Coregonus widegreni Malmgren 1863. Salmonidae: Coregoninae. Habitat: freshwater, brackish, marine.