danilewskii, Squalius Kessler [K. F.] 1877:126 [The Aralo-Caspian Expedition; ref. 2597] Azov Sea. Syntypes: ZIN 2944 (1), 50162 [ex 2944] (1). •Valid as Leuciscus danilewskii (Kessler 1877) -- (Berg 1949:550 [ref. 20661], Reshetnikov et al. 1997:738 [ref. 24702], Bogutskaya 1998:64 [ref. 23589], Bogutskaya et al. 2001:43 [ref. 26178], Bogutskaya & Naseka 2004:85 [ref. 28183], Kottelat & Freyhof 2007:206 [ref. 29996], Parin et al. 2014:81 [ref. 33547], Dyldin et al. 2023:[32] [ref. 40328]). Current status: Valid as Leuciscus danilewskii (Kessler 1877). Leuciscidae: Leuciscinae. Distribution: Eastern Europe: Don River drainage. Habitat: freshwater.