treitlii, Corydoras Steindachner [F.] 1906:478 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftlichen Classe v. 43; ref. 15716] Creek into Rio Parnaíba near Alto Parnaiba (= Victoria, 9°08'S, 45°56'W), Maranhâo, Brazil. Lectotype: NMW 61103 [ex NMW 46798]. Paralectotypes: (many) IRSNB 554 (1); MNHN 1907-0177 (1); MZUT 1677 (1); NMW 7035-48 (14), 9355-67 (10), 46796-801 (3, 13 now 10, 9, 4, ?, 1); RMNH 7974 (1); SMF 5356 [ex NMW] (1);CAS-SU 35054 (1); ZMA 110481 [ex NMW 46801] (11); ZSM 17993-94 [ex NMW 9355-56] and 7611 (3). Type catalog: Tortonese 1940:136 [ref. 21559], Bertin & Estève 1950:65 [ref. 19575], Nijssen et al. 1982:51 [ref. 19236], Walschaerts 1987:19 [ref. 20755], Ferraris 2007:126 [ref. 29155], Neumann 2011:243 [ref. 31652]. Lectotype selected by Weitzman 1964:116 [ref. 3719]. •Valid as Corydoras treitlii Steindachner 1906 -- (Nijssen & Isbrücker 1980:215 [ref. 6910], Burgess 1989:367 [ref. 12860], Isbrücker 1999:40 [ref. 24040], Isbrücker 2001:236 [ref. 26805], Reis in Reis et al. 2003:303 [ref. 27061], Ferraris 2007:126 [ref. 29155], Ramos et al. 2014:4 [ref. 35321], Tencatt & Pavanelli 2015:294 [ref. 35434], Tencatt & Ohara 2016:[13] [ref. 34353], Tencatt & Evers 2016:[12] [ref. 34387], Tencatt et al. 2016:[18] [ref. 34388], Tencatt & Ohara 2016:432 [ref. 34627], Melo et al. 2016:376 [ref. 35317], Koerber et al. 2022:48 [ref. 39235], Dias et al. 2024:23 [ref. 41219], Limeira-Filho et al. 2024:7 [ref. 41573]). Current status: Valid as Corydoras treitlii Steindachner 1906. Callichthyidae: Corydoradinae. Distribution: South America: Parnaíba River drainage (northeastern Brazil). IUCN (2022): Least Concern. Habitat: freshwater.