microather, Basilichthys Marrero y Galindez [A.] 1950:75, Fig. [Flechas de Plata, Atherínidos argentinos; ref. 5939] Río de La Plata and Paraná, Argentina. No types known. •Synonym of Odontesthes perugiae Evermann & Kendall 1906 -- (Dyer 1998:535 [ref. 23858], Dyer in Reis et al. 2003:522 [ref. 27061], Litz & Koerber 2014:29 [ref. 33622], Mirande & Koerber 2015:50 [ref. 35117], Wingert et al. 2017:503 [ref. 35244]). Current status: Synonym of Odontesthes perugiae Evermann & Kendall 1906. Atherinopsidae: Atherinopsinae. Habitat: freshwater.