melini, Corydoras Lönnberg [E.] & Rendahl [H.] 1930:1, Fig. 1 [Arkiv för Zoologi v. 22 A (no. 5); ref. 16300] Iuaretê (0°35'N, 69°13'W) at confluence of Rio Papurí and Rio Uaupés, Rio Negro system, Amazonas, Brazil. Lectotype: NRM 11091. Paralectotypes: NRM 10142 (4). Type catalog: Ferraris 2007:120 [ref. 29155]. Lectotype selected by Nijssen & Isbrücker 1980:209 [ref. 6910]. •Valid as Corydoras melini Lönnberg & Rendahl 1930 -- (Ovchynnyk 1967:37 [ref. 37559], Nijssen & Isbrücker 1980:209 [ref. 6910], Burgess 1989:366 [ref. 12860], Isbrücker 2001:229 [ref. 26805], Reis in Reis et al. 2003:300 [ref. 27061], Britto & Lima 2003:89 [ref. 27314], Ferraris 2007:120 [ref. 29155], Barriga Salazar 2014:111 [ref. 35745], Tencatt & Ohara 2016:[13] [ref. 34353], Tencatt et al. 2016:[17] [ref. 34388], DoNascimiento et al. 2017:73 [ref. 35633], Meza-Vargas et al. 2021:25 [ref. 39298]). •Valid as Hoplisoma melini (Lönnberg & Rendahl 1930) -- (Dias et al. 2024:27 [ref. 41219]). Current status: Valid as Hoplisoma melini (Lönnberg & Rendahl 1930). Callichthyidae: Corydoradinae. Distribution: South America: Brazil, Colombia, Ecuador and Peru. Habitat: freshwater.