gurwicii, Metacottus Taliev [D. N.] 1946:90, Figs. 1-5 [Doklady Akademii Nauk SSSR, Ser. A (Comptes Rendus de l'Académie des Sciences de l'URSS), Leningrad v. 54 (no. 1); ref. 4315] Lake Baikal at Maritui station, Russia, depth 93 meters. Holotype (unique): ZIN 46660. Type catalog: Spodareva et al. 2023:247 [ref. 40445]. Sideleva 2001:69 [ref. 26181] and 2003:205 [ref. 27815] regards the holotype as the neotype which does not conform to the code. •Valid as Metacottus gurwicii Taliev 1946 -- (Berg 1949:1170 [ref. 20662], Taliev 1955:300 [ref. 4316]). •Valid as Procottus gurwicii (Taliev 1946) -- (Sideleva 1982:31 [ref. 14469] as gurwici, Reshetnikov et al. 1997:761 [ref. 24702], Sideleva 1998:158 [ref. 23595] as gurwici, Sideleva 2001:72 [ref. 26181] as gurwici, Bogutskaya et al. 2001:47 [ref. 26178] as gurwici, Sideleva 2003:19, 206 [ref. 27815] as gurwici, Bogutskaya & Naseka 2004:200 [ref. 28183], Goto et al. 2014:[15] [ref. 33456], Dyldin et al. 2020:116 [ref. 37569], Bogdanov 2023:71 [ref. 40329]). Current status: Valid as Procottus gurwicii (Taliev 1946). Cottidae. Distribution: North Asia: southern part of Lake Baikal (Russia). Habitat: freshwater.