bonariensis, Anacyrtus (Rhaeboides) Steindachner [F.] 1879:32, Pl. 8 (fig. 1) [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 16 (no. 4); ref. 20480] La Plata, Buenos Aires, Argentina. Holotype (unique): NMW 62498. Species originally described as above, later as Anacyrtus (Raeboides) bonariensis when illustrated and described in more detail in Steindachner 1879:23, Pl. 8 (fig. 1) [ref. 4228]. Subgenus should have been Roeboides in 1879:23. •Valid as Roeboides bonariensis (Steindachner 1879) -- (Lucena 1988:32 [ref. 22126], Fernández & Butí 1996:252 [ref. 22775], Lucena 1998:36 [ref. 23597], Gómez & Chebez 1996:46 [ref. 23791], Britski et al. 1999:53 [ref. 24147], Lucena 2000:155 [ref. 25162], Lucena & Menezes in Reis et al. 2003:205 [ref. 27061], López et al. 2003:17 [ref. 27366], Casciotta et al. 2003:85 [ref. 28130], Menni 2004:74 [ref. 28131], Nión et al. 2016:28 [ref. 35565]). •Synonym of Roeboides microlepis (Reinhardt 1851) -- (Lucena 2003:295 [ref. 27452], Koerber 2014:3 [ref. 33621], Litz & Koerber 2014:11 [ref. 33622], Mirande & Koerber 2015:18 [ref. 35117], Koerber et al. 2017:29 [ref. 35267], Lucena 2024:272 [ref. 40817]). Current status: Synonym of Roeboides microlepis (Reinhardt 1851). Characidae: Characinae. Habitat: freshwater.