amapaensis, Ammoglanis Mattos [J. L. O.], Costa [W. J. E. M.] & Gama [C. S.] 2008:162, Figs. 1-5 [Ichthyological Exploration of Freshwaters v. 19 (no. 2); ref. 29875] Rio Mapaoni, rio Jari basin, Município Serra do Navio, Parque Nacional Montanhas do Tumucumaque, 2°11'39"N, 54°35'16"E, Estado do Amapá, Brazil. Holotype: IEPA 2497. Paratypes: at IEPA and UFRJ. •Valid as Ammoglanis amapaensis Mattos, Costa & Gama 2008 -- (Mattos & Lima 2010:233 [ref. 31040], Costa et al. 2019:66 [ref. 37125], Henschel et al. 2020:71 [ref. 37312], Henschel et al. 2020:3 [ref. 37837]). Current status: Valid as Ammoglanis amapaensis Mattos, Costa & Gama 2008. Trichomycteridae: Sarcoglanidinae. Distribution: Amapari, Araguari and Jari River basins, Amapá, Brazil. Habitat: freshwater.