elongatus, Chalcinus Günther [A.] 1864:342 [Catalogue of the fishes in the British Museum v. 5; ref. 1974] No locality. Holotype (unique): BMNH 1852.9.13.10. •Valid as Triportheus elongatus (Günther 1864) -- (Ovchynnyk 1967:30 [ref. 37559], Maxwell et al. 1984:262 [ref. 25570], Ortega & Vari 1986:10 [ref. 9708], Malabarba 1998:76 [ref. 23840], Malabarba & Lima in Reis et al. 2003:157-158 [ref. 27061]). •Synonym of Triportheus auritus (Valenciennes 1850) -- (Malabarba 2004:178 [ref. 28150], DoNascimiento 2016:538 [ref. 34727], see DoNascimiento et al. 2017:[13] [ref. 35679], Malabarba 2024:436 [ref. 40817]). Current status: Synonym of Triportheus auritus (Valenciennes 1850). Triportheidae: Triportheinae. Habitat: freshwater.