araguaiaensis, Corydoras Sands [D. D.] 1990:no page number, Fig. [Catfishes of the World Suppl.; ref. 21579] Rio Araguaia, Brazil. Holotype: RMNH. Paratypes: ZMA 119218 (32). Type catalog: Ferraris 2007:113 [ref. 29155]. •Valid as Corydoras araguaiaensis Sands 1990 -- (Burgess & Finley 1996:168 [ref. 22901], Isbrücker 2001:220 [ref. 26805], Reis in Reis et al. 2003:295 [ref. 27061], Shimabukuro-Dias et al. 2004:141 [ref. 27796], Ferraris 2007:113 [ref. 29155], Espíndola et al. 2014:26 [ref. 33269], Tencatt & Britto 2016:[1] [ref. 34336], Tencatt & Ohara 2016:[12] [ref. 34353], Tencatt & Evers 2016:[11] [ref. 34387], Tencatt et al. 2016:[16] [ref. 34388], Lima & Sazima 2017:30 [ref. 35111]). •Valid as Hoplisoma araguaiaense (Sands 1990) -- (Dias et al. 2024:26 [ref. 41219] as araguaiaensis). Current status: Valid as Hoplisoma araguaiaense (Sands 1990). Callichthyidae: Corydoradinae. Distribution: South America: Araguaia River basin, Brazil. Habitat: freshwater.