troya, Astyanax Azpelicueta [M. de las M.], Casciotta [J. R.] & Almirón [A. E.] 2002:249, Figs. 5, 7, 10-11, 13-18, 20-21 [Revue Suisse de Zoologie v. 109 (no. 2); ref. 26608] Arroyo Cuñapirú Chico, near its mouth in the arroyo Cuñapirú, an affluent of río Paraná, Misiones, Argentina. Holotype: MACN 8310. Paratypes: FML 3250 (4); MCP 28438 (5); MHNG 2624.30 (8). Plus non-type material. •Valid as Astyanax troya Azpelicueta, Casciotta & Almirón 2002 -- (Almirón et al. 2002:9 [ref. 26720], López et al. 2003:24 [ref. 27366], Casciotta et al. 2003:332 [ref. 27401], Casciotta et al. 2003:813 [ref. 27667], Casciotta & Almirón 2004:15 [ref. 27985], Mirande et al. 2004:220 [ref. 27659], Menni 2004:77 [ref. 28131], Miquelarena et al. 2005:18 [ref. 28188], Miquelarena & Menni 2005:669 [ref. 28391], Bertaco & Lucena 2006:58 [ref. 28628], Protogino et al. 2006:11 [ref. 28780], Mirande et al. 2006:65 [ref. 28784], Vari & Castro 2007:157 [ref. 29039], Abilhoa & Duboc 2007:45 [ref. 29285], Mirande et al. 2007:37 [ref. 29333], Almirón et al. 2010:67 [ref. 30813], Mirande 2010:516 [ref. 31006], Soneira et al. 2010:785 [ref. 31078], Tagliacollo et al. 2011:41 [ref. 31138], Oliveira et al. 2013:292 [ref. 32756], Ingenito & Duboc 2014:282 [ref. 33374], Bertaco & Vigo 2015:269 [ref. 33857], Mirande & Koerber 2015:24 [ref. 35117], Terán et al. 2017:7 [ref. 35358], da Graça et al. 2017:13 [ref. 35556], Oliveira et al. 2017:180 [ref. 35587], Lucena et al. 2017:6 [ref. 35607]). •Valid as Psalidodon troya (Azpelicueta, Casciotta & Almirón 2002) -- (Mirande & Koerber 2020:2 [ref. 37594], Terán et al. 2020:11 [ref. 37440]). Current status: Valid as Psalidodon troya (Azpelicueta, Casciotta & Almirón 2002). Acestrorhamphidae: Acestrorhamphinae. Distribution: South America: Paraná River basin (northeastern Argentina). Habitat: freshwater.