nocturnus, Brachyglanis Myers [G. S.] 1928:84 [Annals and Magazine of Natural History (Series 10) v. 2 (no. 7); ref. 3100] São Gabriel Rapids, Rio Negro, Amazon, Brazil. Holotype (unique): CAS 63393. Type catalog: Ferraris 2007:181 [ref. 29155]. •Valid as Brachyglanis nocturna Myers 1928 -- (Burgess 1989:276 [ref. 12860] as nocturnus, Bockmann & Guazzelli in Reis et al. 2003:410 [ref. 27061] as nocturnus, Ferraris 2007:181 [ref. 29155] as nocturnus). •Valid as Leptorhamdia nocturna (Myers 1928) -- (Faustino-Fuster et al. 2021:10 [ref. 38317]). Current status: Valid as Leptorhamdia nocturna (Myers 1928). Heptapteridae: Heptapterinae. Distribution: Negro River basin, Brazil. Habitat: freshwater.