trachyparia, Oxydoras Boulenger [G. A.] 1898:423, Pl. 40 (fig. 2) [Transactions of the Zoological Society of London v. 14 (pt 7, no. 2); ref. 543] Rio Juruá, Brazil. Syntypes: BMNH 1897.12.1.44-45 (2). Type catalog: Ferraris 2007:179 [ref. 29155]. •Valid as Trachydoras trachyparia (Boulenger 1898) -- (Burgess 1989:223 [ref. 12860]). •Synonym of Trachydoras steindachneri (Perugia 1897) -- (Sabaj & Ferraris in Reis et al. 2003:466 [ref. 27061], Ferraris 2007:179 [ref. 29155], Birindelli 2014:538 [ref. 33501], Sabaj & Arce H. 2017:27 [ref. 35518]). Current status: Synonym of Trachydoras steindachneri (Perugia 1897). Doradidae: Doradinae. Habitat: freshwater.