itaimbezinho, Epactionotus Reis [R. E.] & Schaefer [S. A.] 1998:9, Fig. 5 [American Museum Novitates No. 3254; ref. 23691] Rio Canoas, tributary of rio Mampituba, about 8 kilometers from Praia Grande in the direction of Mãe dos Homens, 29°14'S, 50°01'W, Praia Grande, Santa Catarina State, Brazil. Holotype: MCP 20281. Paratypes: ANSP 168954 (5), MCP 14708 (15, 3 c&s). Type catalog: Ferraris 2007:236 [ref. 29155]. •Valid as Epactionotus itaimbezinho Reis & Schaefer 1998 -- (Isbrücker 2001:27 [ref. 25653], Isbrücker 2002:15 [ref. 27178], Schaefer in Reis et al. 2003:322 [ref. 27061], Azpelicueta et al. 2004:89 [ref. 28029], Almirón et al. 2004:143 [ref. 27988], Ferraris 2007:236 [ref. 29155], Bertaco et al. 2016:417 [ref. 34561], Delapieve et al. 2020:19 [ref. 37840]). •Valid as Hisonotus itaimbezinho (Reis & Schaefer 1998) -- (Roxo et al. 2019:160 [ref. 36538]). Current status: Valid as Epactionotus itaimbezinho Reis & Schaefer 1998. Loricariidae: Hypoptopomatinae. Distribution: Mampituba River basin, Santa Catarina, southern Brazil. Habitat: freshwater.