sexpapilostoma, Hoplomyzon Taphorn [D. C.] & Marrero [C.] 1990:4, Figs. 1-4 [Fieldiana Zoology (New Series) No. 61; ref. 19839] Río Masparro at site of Masparro Dam, Estado Barinas, Venezuela, 8°50'40"N, 70°06'00"W. Holotype: MCNG 18669. Paratypes: AMNH 97232SW [ex MCNG 5376] (1, c&s); MCNG 5376 (orig. 70), 381 (6), 382 (12), 5480 (4), 6439 (2), 8530 (4), 8968 (1), 9805 (5), 11825 (1), 15507 (2), 18741 (2), 18906 (7), 19279 (1), 19780 (4); FMNH 97762 (5); MBUCV-V-17791 (5); NRM A88/1983457.4231 (5); UF 47525 [ex MCNG 5376] (4). Type catalog: Provenzano et al. 1998:11 [ref. 24196], Ferraris 2007:61 [ref. 29155]. •Valid as Hoplomyzon sexpapilostoma Taphorn & Marrero 1990 -- (Burgess & Finley 1996:167 [ref. 22901], Friel in Reis et al. 2003:264 [ref. 27061], Ferraris 2007:61 [ref. 29155], Carvalho et al. 2017:[15] [ref. 35228], DoNascimiento et al. 2017:85 [ref. 35633], Urbano-Bonilla et al. 2018:76 [ref. 35773]). Current status: Valid as Hoplomyzon sexpapilostoma Taphorn & Marrero 1990. Aspredinidae: Hoplomyzontinae. Distribution: Orinoco River basin: Venezuela and Colombia. Habitat: freshwater.