Caspiomyzon Berg [L. S.] 1906:173 Masc. Petromyzon wagneri Kessler 1870. Type by monotypy. •Valid as Caspiomyzon Berg 1906 -- (Vladykov & Follett 1967:1073 [ref. 38841], Hubbs & Potter 1971:43 [ref. 13397], Holčík 1986:117 [ref. 24819], Reshetnikov 1998:15 [ref. 23570], Bogutskaya & Naseka 2004:17 [ref. 28183], Kottelat & Freyhof 2007:35 [ref. 29996], Naseka et al. 2009:16 [ref. 30402], Lang et al. 2009:52 [ref. 31599], Renaud 2011:24 [ref. 31770], Jouladeh-Roudbar et al. 2015:858 [ref. 34062], Esmaeili et al. 2017:23 [ref. 35254], Esmaeili et al. 2018:6 [ref. 36089]). Current status: Valid as Caspiomyzon Berg 1906. Petromyzontidae.