gracilis, Pseudepapterus Ferraris [C. J., Jr.] & Vari [R. P.] 2000:109, Fig. 5 [Ichthyological Exploration of Freshwaters v. 11 (no. 2); ref. 24437] Caño Chuapo, about 20 minutes downstream from Jabillal (on opposite bank) along Rio Caura, 7°07'N, 65°00'W, Bolivar, Venezuela. Holotype (unique): ANSP 139502. Type catalog: Ferraris 2007:76 [ref. 29155]. •Valid as Pseudepapterus gracilis Ferraris & Vari 2000 -- (Ferraris in Reis et al. 2003:476 [ref. 27061], Ferraris 2007:76 [ref. 29155], Calegari et al. 2019:[94] [ref. 36961]). Current status: Valid as Pseudepapterus gracilis Ferraris & Vari 2000. Auchenipteridae: Auchenipterinae. Distribution: Caura River basin, Venezuela. Habitat: freshwater.