martini, Acestridium Retzer [M. E.], Nico [L. G.] & Provenzano [F.] 1999:318, Figs. 3d-f [Ichthyological Exploration of Freshwaters v. 10 (no. 4); ref. 24231] Caño Pozo Azul, tributary of Río Orinoco, near Balneario Pozo Azul, 5°45'49"N, 67°29'21"W, Orinoco Basin, Amazonas State, Venezuela, elevation 75 meters. Holotype: MCNG 36484. Paratypes: FMNH 103325 (25), 103555 (20); INHS 40425 (1), 61564 (6); MBUCV-V-16448 (5); MCNG 21747 (31), 23422 (14), 26585 (7); UF 105694 (2); plus non-type material. Type catalog: Ferraris 2007:218 [ref. 29155]. •Valid as Acestridium martini Retzer, Nico & Provenzano 1999 -- (Isbrücker 2001:25 [ref. 25653], Lima & Toledo-Piza 2001:1062 [ref. 25823], Isbrücker 2002:11 [ref. 27178], Schaefer in Reis et al. 2003:322 [ref. 27061], Retzer 2005:4 [ref. 28228], Ferraris 2007:218 [ref. 29155], Rodriguez & Reis 2007:429 [ref. 29464], Reis & Lehmann A. 2009:451 [ref. 30379], Rodriguez et al. 2015:325 [ref. 33908], DoNascimiento et al. 2017:76 [ref. 35633], Delapieve et al. 2018:21 [ref. 35713]). Current status: Valid as Acestridium martini Retzer, Nico & Provenzano 1999. Loricariidae: Hypoptopomatinae. Distribution: Upper Orinoco and Negro River basins: Brazil, Colombia and Venezuela. Habitat: freshwater.