dioctes, Arius Kailola [P. J.] 2000:128, Figs. 1-2 [The Beagle, Records of the Museums and Art Galleries of the Northern Territory v. 16; ref. 25113] Norman River at Karumba, 17°29'S, 140°50'E, Queensland, Australia. Holotype: CSIRO C 3798. Paratypes: AMS I.15557-041 (2), I.29292-001 (1); CSIRO H 154-01 (1); KFRS F.04094 (1); NTM S.11190-001 (2), S.14828-005 (1); plus non-type material. Type catalog: Ferraris 2007:44 [ref. 29155]. •Valid as Arius dioctes Kailola 2000 -- (Ng 2003:11 [ref. 27208]). •Valid as Cochlefelis dioctes (Kailola 2000) -- (Marceniuk & Menezes 2007:53 [ref. 29031], Allen et al. 2008:48 [ref. 30265]). •Valid as Hemiarius dioctes (Kailola 2000) -- (Kailola 2004:137 [ref. 28108], Hoese & Gates 2006:353 [ref. 28997], Ferraris 2007:44 [ref. 29155]. Larson et al. 2013:38 [ref. 32988], Pusey et al. 2017:25 [ref. 35250]). •Valid as Aceroichthys dioctes (Kailola 2000) -- (Marceniuk et al. 2023:38 [ref. 40422]). Current status: Valid as Aceroichthys dioctes (Kailola 2000). Ariidae: Ariinae. Distribution: Australia and New Guinea (Papua Province, Indonesia and Papua New Guinea). Habitat: freshwater, brackish.