machiquensis, Chaetostoma Fernández-Yépez [A.] & Martín Salazar [F. J.] 1953:238, Fig. [Memoria de la Sociedad de Ciencias Naturales La Salle v. 13 (no. 35); ref. 12693] Rio Negro, 16 kilometers west of Machiques, Estado Zulia, Venezuela. Holotype: MHNLS 1558 [not MHNLS 46, ex AFY 50145]. Paratypes: AFY 50145 (1). Type catalog: Lasso et al. 1997:45 [ref. 23639], Ferraris 2007:229 [ref. 29155]. •Valid as Chaetostoma machiquense Fernández-Yépez & Martín Salazar 1953 -- (Isbrücker 1980:61-62 [ref. 2303], Burgess 1989:435 [ref. 12860], Isbrücker 2001:26 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:381 [ref. 27061], Ferraris 2007:229 [ref. 29155], Ballen 2011:388 [ref. 31653], Lujan et al. 2015:666 [ref. 33975]). Current status: Valid as Chaetostoma machiquense Fernández-Yépez & Martín Salazar 1953. Loricariidae: Hypostominae. Distribution: Negro River basin in Lake Maracaibo drainage, Venezuela. Habitat: freshwater.