armatulus, Doras Valenciennes [A.] in Cuvier & Valenciennes 1840:275 [Histoire naturelle des poissons v. 15; ref. 1008] Río Paraná, but not below 27°30'S, South America. Holotype (unique): MNHN 0000-4152 (poor condition). Type catalog: Bertin & Estève 1950:17 [ref. 19575], Ferraris 2007:176 [ref. 29155]. Misspelled armatus by Bertoni 1914:6 [ref. 16813]. •Valid as Platydoras armatulus (Valenciennes 1840) -- (Burgess 1989:224 [ref. 12860], Britski et al. 1999:117 [ref. 24147], Piorski 1999:19 [ref. 24217], Sabaj & Ferraris in Reis et al. 2003:464 [ref. 27061], Nelson et al. 2004:83 [ref. 27807], Scharpf 2006:19 [ref. 30386], Ferraris 2007:176 [ref. 29155], Piorski et al. 2008:490 [ref. 29987], Koerber 2011:6 [ref. 31122], Page et al. 2013:82 [ref. 32708], Birindelli 2014:536 [ref. 33501], Koerber 2014:6 [ref. 33621], Sarmiento et al. 2014:155, 190 [ref. 35004], Mirande & Koerber 2015:29 [ref. 35117], Koerber et al. 2017:44 [ref. 35267], DoNascimiento et al. 2017:89 [ref. 35633], Urbano-Bonilla et al. 2018:77 [ref. 35773], Reis et al. 2020:465 [ref. 38364], Silvano et al. 2020:243 [ref. 38135], Meza-Vargas et al. 2021:22 [ref. 39298], Cortés Hernández et al. 2023:457 [ref. 40760]). Current status: Valid as Platydoras armatulus (Valenciennes 1840). Doradidae: Doradinae. Distribution: South America: Paraná River basin (Argentina, Bolivia, Brazil, Colombia, Paraguay and Uruguay). Introduced elsewhere, including Peru. Habitat: freshwater.