Gnathobagrus Nichols [J. T.] & Griscom [L.] 1917:711 Masc. Gnathobagrus depressus Nichols & Griscom 1917. Type by monotypy. •Synonym of Chrysichthys Bleeker 1858 -- (Risch in Lévêque et al. 1992:403 [ref. 21590]). •Synonym of Amarginops Nichols & Griscom 1917 -- (Mo 1991:153 [ref. 19952]). •Valid as Gnathobagrus Nichols & Griscom 1917 -- (Risch 1986:30 [ref. 6190], Burgess 1989:67 [ref. 12860], Poll & Gosse 1995:181 [ref. 24781], Ferraris 2007:161 [ref. 29155]). Current status: Valid as Gnathobagrus Nichols & Griscom 1917. Claroteidae.