herzensteini, Asprocottus Berg [L. S.] 1906:907 [Zoologischer Anzeiger v. 30 (no. 26); ref. 265] Lake Baikal, Russia, depth 45-1800 meters. Lectotype: ZIN 13740. Paralectotypes; (3) whereabouts unknown. Type catalog: Sideleva & Zhidkov 2021:233 [ref. 38705]. Sideleva 2001:61 [ref. 26181] recognizes a holotype as ZIN 13760. •Valid as Asprocottus herzensteini Berg 1906 -- (Berg 1949:1167 [ref. 20662], Taliev 1955:316 [ref. 4316], Sideleva 1982:29 [ref. 14469], Reshetnikov et al. 1997:760 [ref. 24702], Sideleva 1998:155 [ref. 23595], Sideleva 2001:61 [ref. 26181], Bogutskaya et al. 2001:47 [ref. 26178], Kontula et al. 2003:149 [ref. 26791], Sideleva 2003:17, 180 [ref. 27815], Bogutskaya & Naseka 2004:195 [ref. 28183], Goto et al. 2014:[15] [ref. 33456], Bogdanov 2018:118 [ref. 37168], Dyldin et al. 2020:115 [ref. 37569], Sideleva & Zhidkov 2021:233 [ref. 38705]). •Valid as Abyssocottus herzensteini (Berg 1906) -- (Bogdanov 2023:66 [ref. 40329]). Current status: Valid as Asprocottus herzensteini Berg 1906. Cottidae. Distribution: North Asia: Lake Baikal (Russia). Habitat: freshwater.