yasi, Epactionotus Almirón [A. E.], Azpelicueta [M. de las M.] & Casciotta [J. R.] 2004:138, Figs. 1-3 [Zoologische Abhandlungen; Staatliches Museum für Tierkunde in Dresden v. 54; ref. 27988] Arroyo Lobo, 25°42'57"S, 54°05'59"W, río Iguazú basin, Misiones Province, Argentina. Holotype: MACN-ict 8649. Paratypes: MHNG 2643.86 (5), MLP 10456 [ex Al 159] (4), MTD 27826-30 (5). Type catalog: Ferraris 2007:236 [ref. 29155], Nadalin & López 2015:6 [ref. 34112]. •Valid as Epactionotus yasi Almirón, Azpelicueta & Casciotta 2004 -- (Ferraris 2007:236 [ref. 29155], Koerber 2011:5 [ref. 31122], Koerber 2014:9 [ref. 33621], Mirande & Koerber 2015:41 [ref. 35117]). •Valid as Hisonotus yasi (Almirón, Azpelicueta & Casciotta 2004) -- (Koerber et al. 2017:6 [ref. 35083], Calegari et al. 2017:244 [ref. 35203], Koerber et al. 2017:7 [ref. 35632], Koerber et al. 2019:8 [ref. 36736], Mirande & Koerber 2020:2 [ref. 37594], Reis et al. 2020:469 [ref. 38364]). Current status: Valid as Hisonotus yasi (Almirón, Azpelicueta & Casciotta 2004). Loricariidae: Hypoptopomatinae. Distribution: South America: Iguaçu River basin (Argentina and Brazil). Habitat: freshwater.