australe, Corydoras Eigenmann [C. H.] & Ward [D. P.] in Eigenmann, McAtee & Ward 1907:123 [Annals of the Carnegie Museum v. 4 (no. 2) (art. 7); ref. 1261] Upper rio Paraguai at Corumbá (19°00'S, 57°25'W), tributary of Rio Pilcomayo, Rio Paraguay system, Mato Grosso, Brazil. Holotype: CAS 67915 [ex IU 10129]. Paratypes: (7) AMNH 1232 (1), CAS 67916 [ex IU 10130] (orig. 5, now 1, missing), CAS 77305 [ex IU 10129] (2, now 1), FMNH 52619 [ex CM 948] (1), NMW 46698 (1), ZMB 17248 (1). Type catalog: Ibarra & Stewart 1987:27 [ref. 12367], Ferraris 2007:118 [ref. 29155]. •Questionably valid as Corydoras australis Eigenmann & Ward 1907 -- (Isbrücker 2001:221 [ref. 26805]). •Valid as Corydoras australis Eigenmann & Ward 1907 -- (Casciotta et al. 2003:128 [ref. 28130]). •Synonym of Corydoras hastatus Eigenmann & Eigenmann 1888 -- (Nijssen & Isbrücker 1980:213 [ref. 6910], Reis in Reis et al. 2003:298 [ref. 27061], Ferraris 2007:118 [ref. 29155], Tencatt et al. 2013:258 [ref. 32752], Litz & Koerber 2014:23 [ref. 33622], Mirande & Koerber 2015:40 [ref. 35117], Koerber et al. 2017:58 [ref. 35267], Grant 2019:7 [ref. 37238]). Current status: Synonym of Corydoras hastatus Eigenmann & Eigenmann 1888. Callichthyidae: Corydoradinae. Habitat: freshwater.