australe, Dysichthys Eigenmann [C. H.] & Ward [D. P.] in Eigenmann, McAtee & Ward 1907:113, Pl. 31 [Annals of the Carnegie Museum v. 4 (no. 2) (art. 7); ref. 1261] Corumba, Paraguay. Holotype: CAS 35240 [ex IU 10123]. Paratypes: BMNH 1909.6.15.12 (1); CAS 35241 [ex IU 10124] (orig. 10, now 3); NMW 77259 (1), 46685 (2); ZMB 16865 (1). Type catalog: Ferraris 2007:60 [ref. 29155]. •Synonym of Dysichthys rugosus (Eigenmann & Kennedy 1903) -- (Mees 1988:90 [ref. 6401]). •Valid as Dysichthys australe Eigenmann & Ward 1907 -- (Mees 1989:229 [ref. 13383]). •Valid as Dycichthys australis Eigenmann & Ward 1907 -- (Burgess & Finley 1996:167 [ref. 22901]). •Valid as Bunocephalus australis (Eigenmann & Ward 1907) -- (Britski et al. 1999:111 [ref. 24147]). •Synonym of Bunocephalus rugosus Eigenmann & Kennedy 1903 -- (Friel in Reis et al. 2003:263 [ref. 27061], Ferraris 2007:60 [ref. 29155]). •Synonym of Pseudobunocephalus rugosus (Eigenmann & Kennedy 1903) -- (Mirande & Koerber 2015:35 [ref. 35117], Koerber et al. 2017:54 [ref. 35267]). Current status: Synonym of Pseudobunocephalus rugosus (Eigenmann & Kennedy 1903). Aspredinidae: Pseudobunocephalinae. Habitat: freshwater.