taimensis, Microlepidogaster Buckup [P. A.] 1981:22, Figs. 1-7 [Iheringia, Série Zoologia (Porto Alegre) No. 60; ref. 8629] Novo canal do Arroio Taim, Estação Ecológica do Taim, Rio Grande do Sul, Brazil. Holotype: MZUSP 14133. Paratypes: UFRGS 0279-83 (5), 0344-0378 (35), 0379-0400 (22); MAPA 0725 (1), 1012-50 (39), 1051-1070 (20), 1071-74 (4); MCN 4835-4844 (10); MZUSP 14134-14142 (9). Type catalog: Ferraris 2007:249 [ref. 29155]. •Valid as Microlepidogaster taimensis Buckup 1981 -- (Malabarba 1989:150 [ref. 14217], Burgess 1989:439 [ref. 12860]). •Valid as Hisonotus taimensis (Buckup 1981) -- (Isbrücker 2001:28, 30 [ref. 25653], Isbrücker 2002:18 [ref. 27178], Aquino et al. 2001:9 [ref. 25673], Schaefer in Reis et al. 2003:323 [ref. 27061], Almirón & Azpelicueta 2006:93 [ref. 28713], Casciotta et al. 2006:150 [ref. 28758], Britski & Garavello 2007:414 [ref. 29429], Ferraris 2007:249 [ref. 29155], Carvalho et al. 2008:515 [ref. 29799], Garvalho & Reis 2011:19 [ref. 31240], Litz & Koerber 2014:24 [ref. 33622], Bertaco et al. 2016:418 [ref. 34561], Nión et al. 2016:31 [ref. 35565] with author without parentheses, Calegari et al. 2017:244 [ref. 35203], Loureiro et al. 2023:118 [ref. 40506]). Current status: Valid as Hisonotus taimensis (Buckup 1981). Loricariidae: Hypoptopomatinae. Distribution: South America: Mirim Lagon drainage (Brazil and Uruguay). Habitat: freshwater.