microps, Corydoras Eigenmann [C. H.] & Kennedy [C. H.] 1903:506 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 55; ref. 1260] Lagoon near Rio Branco, Mato Grosso, Brazil. Holotype: CAS 20662 [ex IU 9892]. Paratypes: AMNH 1245 (1); CAS 20664 [ex IU 9893] (orig. 3, now 1), 20665 [ex IU 9895] (2); IU 9894 (1); ZMB 16905 (1). Type catalog: Ferraris 2007:112 [ref. 29155]. •Valid -- (authors). •Status uncertain -- (Isbrücker 2001:230 [ref. 26805]). •Synonym of Corydoras aeneus (Gill 1858) -- (Nijssen & Isbrücker 1980:207 [ref. 6910], Reis in Reis et al. 2003:294 [ref. 27061], Ferraris 2007:112 [ref. 29155], Litz & Koerber 2014:23 [ref. 33622], Mirande & Koerber 2015:39 [ref. 35117], Koerber et al. 2017:57 [ref. 35267]). •Possibly valid as Corydoras microps Eigenmann & Kennedy 1903 -- (Tencatt et al. 2023:21 [ref. 40180]). Current status: Uncertain as Corydoras microps Eigenmann & Kennedy 1903. Callichthyidae: Corydoradinae. Distribution: South America: Paraguay River basin, Brazil, Uruguay and Argentina. Habitat: freshwater.