minuta, Rhamdia Lütken [C. F.] 1874:35 [7] [Oversigt over det Kongelige Danske Videnskabernes Selskabs Forhandlinger og dets Medlemmers Arbeider (Kjøbenhavn) 1874 (no. 1); ref. 2855] Rio das Velhas, Minas Gerais State, Brazil. Syntypes: ZMUC 325x (1), ZMUC 327x (1), ZMUC 328 (1). Type catalog: Nielsen 1974:51 [ref. 9588], Ferraris 2007:186 [ref. 29155]. On p. 7 of separate. Also described in Lütken 1875:179 (and p. VIII of summary), Pl. 3 (fig. 6) [ref. 19674]. •Valid as Imparfinis minutus (Lütken 1874) -- (Mees 1986:319 [ref. 5693], Mees & Cala 1989:382 [ref. 14277], Burgess 1989:277 [ref. 12860], Casatti & Castro 1998:232 [ref. 23663], Le Bail et al. 2000:130 [ref. 24549]). •Valid as Imparfinnis minutus (Lütken 1875) -- (Britski 2001:20 [ref. 26046], Bockmann & Guazzelli in Reis et al. 2003:414 [ref. 27061], Ferraris 2007:186 [ref. 29155], Ortega-Lara et al. 2011:778 [ref. 31716], Castro & Wosiacki 2019:471 [ref. 37139], Silva et al. 2020:10 [ref. 37809], Silva et al. 2023:372 [ref. 40041], Vieira-Guimarães et al. 2024:44 [ref. 41258]). Current status: Valid as Imparfinis minutus (Lütken 1874). Heptapteridae: Heptapterinae. Distribution: South America: São Francisco River basin, Minas Gerais (Brazil). Habitat: freshwater.