Hemiarius Bleeker [P.] 1862:7, 29 Masc. Cephalocassis stormii Bleeker 1858. Type by original designation. Dates to part 6 (26 Nov. 1862); Pl. 100 dates to part 9 (before 8 Oct. 1863). Also appeared in Bleeker 1862:392 [ref. 391] as name only and in Bleeker 1863:90 [ref. 401]. •Synonym of Arius Valenciennes 1840 -- (Roberts 1989:110 [ref. 6439], Marceniuk & Ferraris in Reis et al. 2003:447 [ref. 27061]). •Valid as Hemiarius Bleeker 1862 -- (Kailola 2004:136 [ref. 28108], Hoese & Gates 2006:353 [ref. 28997], Marceniuk & Menezes 2007:67 [ref. 29031], Ferraris 2007:44 [ref. 29155], Marceniuk & Birindelli 2010:61 [ref. 30960], Marceniuk et al. 2012:643 [ref. 32225], Kottelat 2013:248 [ref. 32989], Marceniuk et al. 2023:32 [ref. 40422]). Current status: Valid as Hemiarius Bleeker 1862. Ariidae: Ariinae.