patagonicus, Basilichthys Marrero y Galindez [A.] 1950:67, Fig. [Flechas de Plata, Atherínidos argentinos; ref. 5939] Río Limay, Río Negro, Argentina. No types known. •Synonym of Odontesthes hatcheri (Eigenmann 1909) -- (Dyer 1998:535 [ref. 23858], Dyer 2000:109 [ref. 26677], Dyer in Reis et al. 2003:521 [ref. 27061], Mirande & Koerber 2015:50 [ref. 35117]). Current status: Synonym of Odontesthes hatcheri (Eigenmann 1909). Atherinopsidae: Atherinopsinae. Habitat: freshwater.