nudidens, Arius (Hemiarius) Weber [M.] 1913:538, Fig. 15 [Süsswasserfische aus Niederländisch Süd- und Nord-Neu-Guinea v. 9 (livr. 4); ref. 4603] Lorentz River, New Guinea. Syntypes: ZMA 111507-09 (1, 1, 1). Type catalog: Nijssen et al. 1982:38 [ref. 19236], Ferraris 2007:56 [ref. 29155]. •Valid as Arius nudidens Weber 1913 -- (Burgess 1989:169 [ref. 12860]). •Synonym of Cochlefelis spatula (Ramsay & Ogilby 1886) -- (Kailola 2004:134 [ref. 28108]). •Species inquirenda in Ariidae -- (Ferraris 2007:56 [ref. 29155]). Current status: Synonym of Cochlefelis spatula (Ramsay & Ogilby 1886). Ariidae: Ariinae. Habitat: freshwater.