inexspectata, Aristommata Holmberg [E. L.] 1893:96 [Revista del Jardin Zoológico de Buenos Ayres v. 1 (no. 3); ref. 2193] Río Paraguay, near Formosa city, Formosa Province, Argentina. Holotype (unique): MACN 5164. Also appeared in Holmberg 1893:354 [ref. 26086]. •Valid as Hypoptopoma inexspectatum (Holmberg 1893) -- (Isbrücker 1980:88 [ref. 2303], Burgess 1989:439 [ref. 12860], Gómez & Chebez 1996:62 [ref. 23791] as inexpecta, Isbrücker 2001:26, 28 [ref. 25653], Aquino & Miquelarena 2001:5 [ref. 26083] as inexspectata, Isbrücker 2002:18 [ref. 27178], Aquino & Schaefer 2002:386 [ref. 26022] as inexspectata, Schaefer in Reis et al. 2003:323 [ref. 27061], López et al. 2003:44 [ref. 27366], Menni 2004:79 [ref. 28131], Ferraris 2007:250 [ref. 29155], Chiachio et al. 2008:610 [ref. 30127] as inexpectatum, Aquino & Schaefer 2010:60 [ref. 30875], Sarmiento et al. 2014:162, 191 [ref. 35004], Mirande & Koerber 2015:40 [ref. 35117], Koerber et al. 2017:58 [ref. 35267], Delapieve et al. 2018:22 [ref. 35713]). Current status: Valid as Hypoptopoma inexspectatum (Holmberg 1893). Loricariidae: Hypoptopomatinae. Distribution: Paraná/Paraguay River basin: Argentina, Bolivia, Brazil and Paraguay. Habitat: freshwater.