Synodus Scopoli [J. A.] (ex Gronow) 1777:449 Masc. Esox synodus Linnaeus 1758. Type by subsequent designation and absolute tautonymy. Described without species, first addition of species and subsequent designator not researched. •Valid as Synodus Scopoli 1777 -- (Anderson et al. 1966:46 [ref. 6977], Cressey 1981 [ref. 5574], Sulak in Whitehead et al. 1984:409 [ref. 13675], Okiyama 1984:207 [ref. 13644], Machida in Masuda et al. 1984:60 [ref. 6441], Cressey 1986:271 [ref. 6289], Waples & Randall 1989 [ref. 9187], Paxton et al. 1989:237 [ref. 12442] with authorship as Bloch & Schneider 1801, Heemstra in Smith & Heemstra 1995:271 [ref. 21953], Wiley et al. 1998:423 [ref. 25588], Castro-Aguirre et al. 1999:160 [ref. 24550], Russell 1999:1930 [ref. 24747], Sato & Nakabo 2002:44 [ref. 25953], Russell 2003:925 [ref. 27004], Castellanos-Galindo et al. 2006:259 [ref. 28944], Hoese & Gates 2006:468 [ref. 28997] with authorship as Bloch & Schneider 1801, Chen et al. 2007:148 [ref. 29121], Prokofiev 2008:424 [ref. 29560], Randall & Pyle 2008:657 [ref. 29852], Kimura 2009:37 [ref. 30426], Randall 2009:402 [ref. 30454], Carvalho-Filho et al. 2010:33 [ref. 30983], Ho et al. 2010:64 [ref. 30761], Lipej & Dulčić 2010:24 [ref. 36649], Hubert et al. 2012:5 [ref. 31846], Frable et al. 2013:122 [ref. 32553], Birindelli 2014:534 [ref. 33501], Russell 2015:543 [ref. 34253], Pietsch & Orr 2015:24 [ref. 34694], Ho et al. 2016:134 [ref. 34725], Allen et al. 2017:59 [ref. 35278], Motomura et al. 2017:50 [ref. 35490], Robertson et al. 2017:49 [ref. 35676], Fricke et al. 2018:69 [ref. 35805], Golani & Fricke 2018:35 [ref. 36273], Brown et al. 2019:159 [ref. 36444], Fricke et al. 2019:63 [ref. 36673], Polanco F. & Acero P. 2021:130 [ref. 39983]). Current status: Valid as Synodus Scopoli 1777. Synodontidae: Synodontinae.