mariai, Imparales Schultz [L. P.] 1944:94, Fig. 1 [Journal of the Washington Academy of Sciences v. 34 (no. 3); ref. 3958] Río Meta system at Villavicencio, Colombia. Holotype (unique): USNM 121251. Type catalog: Ferraris & Vari 1992:33 [ref. 19771], Ferraris 2007:180 [ref. 29155], Ferraris 2007:188 [ref. 29155]. •Valid as Heptapterus mariai (Schultz 1944) -- (Burgess 1989:276 [ref. 12860], Bockmann & Guazzelli in Reis et al. 2003:413 [ref. 27061]). •Valid as Nemuroglanis mariai (Schultz 1944) -- (Bockmann & Ferraris 2005:133 [ref. 28095], Ferraris 2007:188 [ref. 29155], Ribeiro et al. 2011:41 [ref. 31219], DoNascimiento et al. 2017:91 [ref. 35633], Urbano-Bonilla et al. 2018:78 [ref. 35773]). Current status: Valid as Nemuroglanis mariai (Schultz 1944). Heptapteridae: Heptapterinae. Distribution: Orinoco River basin, Colombia. Habitat: freshwater.