leuciscus, Cyprinus Linnaeus [C.] 1758:323 [Systema Naturae, Ed. X v. 1; ref. 2787] Central Europe. No types known. Type catalog: Wheeler 1985:31-32 [ref. 20705]. •Valid as Cyprinus leuciscus Linnaeus 1758 -- (Herrera 1896:21 [ref. 39336]). •Valid as Leuciscus leuciscus (Linnaeus 1758), as a valid subspecies -- (Mitrofanov et al. 1987:78 [ref. 37731], Parin et al. 2014:82 [ref. 33547]). •Valid as Leuciscus leuciscus (Linnaeus 1758) -- (Berg 1949:545 [ref. 20661], Lelek 1987:207 [ref. 22962], Kottelat 1997:68 [ref. 22952], Reshetnikov et al. 1997:738 [ref. 24702], Bogutskaya 1998:64 [ref. 23589], Briolay et al. 1998:101 [ref. 25586], Bogutskaya et al. 2001:43 [ref. 26178], Hanel 2003:48 [ref. 27894], Bogutskaya & Naseka 2004:85 [ref. 28183], Hanel & Lusk 2005:193 [ref. 28804], Kottelat & Freyhof 2007:207 [ref. 29996], Ninua & Japoshvili 2008:167 [ref. 31251], Perea et al. 2010:15 [ref. 31802], Ćaleta et al. 2019:161 [ref. 37026], Lorenzoni et al. 2019:252 [ref. 37108], Pozdeev et al. 2022:5 [ref. 39511], Çiçek et al. 2023:53 [ref. 40326], Dyldin et al. 2023:[33] [ref. 40328], Nagy et al. 2023:357 [ref. 40348]). Current status: Valid as Leuciscus leuciscus (Linnaeus 1758). Leuciscidae: Leuciscinae. Distribution: Europe and northwestern Asia. Introduced elsewhere. Habitat: freshwater, brackish.