ellisae, Corydoras Gosline [W. A.] 1940:17 [Stanford Ichthyological Bulletin v. 2 (no. 1); ref. 6489] Arroyo Poná at Sapucay, Rio Paragury system near Asuncion, Paraguay. Holotype: FMNH 57361 [ex CM 3522]. Paratypes: FMNH 57360 [ex CM 3521] (1) Type catalog: Ibarra & Stewart 1987:27 [ref. 12367], Ferraris 2007:116 [ref. 29155]. •Valid as Corydoras ellisae Gosline 1940 -- (Nijssen & Isbrücker 1980:216 [ref. 6910], Burgess 1989:365 [ref. 12860], Gómez & Chebez 1996:62 [ref. 23791], Isbrücker 1999:40 [ref. 24040], Isbrücker 2001:225 [ref. 26805], López et al. 2003:42 [ref. 27366], Reis in Reis et al. 2003:297 [ref. 27061], Menni 2004:82 [ref. 2813], Ferraris 2007:116 [ref. 29155], Calviño & Alonso 2010:199 [ref. 30829], Tencatt et al. 2014:78 [ref. 33230], Sarmiento et al. 2014:190 [ref. 35004], Mirande & Koerber 2015:40 [ref. 35117], Koerber et al. 2017:57 [ref. 35267]). •Synonym of Corydoras aurofrenatus Eigenmann & Kennedy 1903 -- (Tencatt et al. 2020:16 [ref. 37986]). Current status: Synonym of Corydoras aurofrenatus Eigenmann & Kennedy 1903. Callichthyidae: Corydoradinae. Distribution: South America: Paraguay River basin, Paraguay and (?) upper Paraná River basin, Argentina (Argentina, Paraguay and Bolivia) [if valid]. Habitat: freshwater.