papillatus, Hoplomyzon Stewart [D. J.] 1985:8, Figs. 1b, 2b, 4b, 5 [Fieldiana Zoology (New Series) No. 25; ref. 5239] Río Aguarico, 1 kilometer upstream from confluence with Río Shushufindi, Napo Province, 0°17'S, 76°24.5'W, Ecuador. Holotype (unique): FMNH 94908. Type catalog: Ibarra & Stewart 1987:47 [ref. 12367], Ferraris 2007:61 [ref. 29155]. •Valid as Hoplomyzon papillatus Stewart 1985 -- (Mees 1988:90 [ref. 6401], Burgess 1989:304 [ref. 12860], Taphorn & Marrero 1990:3 [ref. 19839], Friel in Reis et al. 2003:264 [ref. 27061], Ferraris 2007:61 [ref. 29155], Barriga Salazar 2014:110 [ref. 35745], Carvalho et al. 2017:[15] [ref. 35228], DoNascimiento et al. 2017:85 [ref. 35633]). Current status: Valid as Hoplomyzon papillatus Stewart 1985. Aspredinidae: Hoplomyzontinae. Distribution: Amazon River basin: Colombia, Ecuador, Bolivia and Venezuela. Habitat: freshwater.