gaiero, Megaleporinus Birindelli [J. L. O.], Britski [H. A.] & Ramirez [J. L.] 2020:3, Figs. 1-4, 9a [Journal of Fish Biology v. 96 (no. 6); ref. 37400] Rio Gongogi, tributary of the Rio de Contas, Itagibá, Bahia, Brazil. Holotype: MZUSP 112112. Paratypes: MZUEL, MZUSP. •Valid as Megaleporinus gaiero Birindelli, Britski & Ramirez 2020 -- (Vieira-Guimarães et al. 2024:36 [ref. 41258]). •Valid as Arhinolemur gaiero (Birindelli, Britski & Ramirez 2020) -- (Panzeri et al. 2026:9 [ref. 42881]). Current status: Valid as Arhinolemur gaiero (Birindelli, Britski & Ramirez 2020). Anostomidae: Leporininae. Distribution: South America: Rio de Contas drainage, Bahia (Brazil). Habitat: freshwater.