laticeps, Arius Günther [A.] 1864:171, Figs. [Catalogue of the fishes in the British Museum v. 5; ref. 1974] Trinidad Island, West Indies; Guyana. Syntypes: BMNH 1863.6.18.8 (1) Trinidad, 1976.2.25.1 (1) Guyana. Type catalog: Ferraris 2007:41 [ref. 29155]. •Valid as Arius laticeps Günther 1864 -- (Burgess 1989:169 [ref. 12860]). •Species inquirenda in Cathorops Jordan & Gilbert 1883 -- (Marceniuk & Ferraris in Reis et al. 2003:450 [ref. 27061], Marceniuk & Menezes 2007:46 [ref. 29031], Ferraris 2007:41 [ref. 29155]). •Synonym of Cathorops nuchalis (Günther 1864) -- (Marceniuk et al. 2012:78 [ref. 31865]). Current status: Synonym of Cathorops nuchalis (Günther 1864). Ariidae: Ariinae. Distribution: Venezuela (Lake Maracaiibo) to Guyana. Habitat: freshwater, brackish.