Gymnocephalus Bloch [M. E.] 1793:24 Masc. Perca schraetser Linnaeus 1758. Type by subsequent designation. Type designated by Bleeker 1876:266 [ref. 447]. See also Acerina Güldenstädt 1775. •Synonym of Acerina Cuvier 1816 -- (Zhang et al. 2016:195 [ref. 34477]). •Valid as Gymnocephalus Bloch 1793 -- (Holčík & Hensel 1974:483 [ref. 7505], Collette & Bănărescu 1977:1453 [ref. 5845], Popova 1998:117 [ref. 23588], Song et al. 1998:352 [ref. 23823], Parin 2003:S3 [ref. 28536], Bogutskaya & Naseka 2004:204 [ref. 28183], Kottelat & Freyhof 2007:526 [ref. 29996], Scharpf 2008:35 [ref. 30399], Geiger & Schliewen 2010:119 [ref. 30887], Bruner 2011:37 [ref. 32226] in Acerinae, Parin et al. 2014:354 [ref. 33547]). Current status: Valid as Gymnocephalus Bloch 1793. Percidae: Percinae.