ecuadorensis, Megalamphodus Eigenmann [C. H.] 1915:99 [Memoirs of the Carnegie Museum v. 7 (no. 1); ref. 1231] Maranjito, Río Chan Chan, Ecuador. Holotype (unique): CAS [ex IU 13628] (missing). Apparently not the same as Hyphessobrycon ecuadoriensis Eigenmann & Henn 1914. •Valid as Hyphessobrycon ecuadorensis (Eigenmann 1915) -- (Ovchynnyk 1967:29 [ref. 37559], Lima & Malabarba in Reis et al. 2003:135-136 [ref. 27061], ?García-Alzate et al. 2010:55 [ref. 30716], ?García-Alzate et al. 2011:709 [ref. 31266], Barriga Salazar 2014:107 [ref. 35745], ?García-Alzate et al. 2013:184 [ref. 32440], García-Alzate et al. 2015:223 [ref. 33855], Elías et al. 2023:3 [ref. 39863]). Current status: Valid as Hyphessobrycon ecuadorensis (Eigenmann 1915). Acestrorhamphidae: Hyphessobryconinae. Distribution: South America: Guyanas River basin (Ecuador and Colombia). Habitat: freshwater.