microlepidogaster, Loricaria Regan [C. T.] 1904:283, Pl. 15 (fig. 4) [Transactions of the Zoological Society of London v. 17 (pt 3, no. 1); ref. 3621] Rio Grande do Sul, Brazil. Holotype (unique): BMNH 1884.2.5.41. Type catalog: Ferraris 2007:295 [ref. 29155]. •Valid as Rineloricaria microlepidogaster (Regan 1904) -- (Isbrücker 1980:108 [ref. 2303], Isbrücker 1981:88 [ref. 5522], Malabarba 1989:155 [ref. 14217], Burgess 1989:442 [ref. 12860], Gómez & Chebez 1996:63 [ref. 23791], Isbrücker 2001:29, 32 [ref. 25653], Isbrücker 2002:29 [ref. 27178], Ferraris in Reis et al. 2003:343 [ref. 27061], López et al. 2003:48 [ref. 27366], Rodriguez & Miquelarena 2005:2 [ref. 28173], Ferraris 2007:295 [ref. 29155], Rodriguez & Reis 2008:337 [ref. 29630], Ghazzi 2008:101 [ref. 29636], Koerber & Litz 2014:4 [ref. 34967], Mirande & Koerber 2015:46 [ref. 35117], Bertaco et al. 2016:420 [ref. 34561], Koerber & Litz 2016:6 [ref. 35098], Nión et al. 2016:31 [ref. 35565] as aff. microlepidogaster with author as Reis 1983, Koerber et al. 2020:6 [ref. 37480], Koerber et al. 2021:6 [ref. 38894], Koerber et al. 2023:6 [ref. 40355], Loureiro et al. 2023:98 [ref. 40506]). Current status: Valid as Rineloricaria microlepidogaster (Regan 1904). Loricariidae: Loricariinae. Distribution: South America: Uruguay, Argentina and Brazil. Habitat: freshwater.