aripirangensis, Nannostomus Meinken [H.] 1931:553, Fig. [Wochenschrift für Aquarien- und Terrarienkunde v. 28 (no. 34); ref. 16307] Aripiranga Island, northeast of Belé, do Pará, Pará, Brazil. Neotype: ZMB 33973. Syntypes: destroyed during WWII. Also published as a separate without pagination. Neotype selected by Zarske 2011:287 [ref. 31670]. •Synonym of Nannostomus beckfordi Günther 1872 -- (Weitzman 1966:13 [ref. 12368], Weitzman & Weitzman in Reis et al. 2003:244 [ref. 27061], Zarske 2011:287 [ref. 31670], Marinho 2024:385 [ref. 40817]). Current status: Synonym of Nannostomus beckfordi Günther 1872. Lebiasinidae: Pyrrhulininae. Habitat: freshwater.