bayleyi, Hyphessobrycon Lima [F. C. T.], Bastos [D. A.], Rapp Py-Daniel [L. H.] & Ota [R. P.] 2022:254, Figs. 1-4 [Zootaxa 5116 (no. 2); ref. 39116] Igarapé do Palhau, Ramal do Incra, Benjamin Constant, Amazonas, Brazil, 4°24'28"S, 70°1'24"W. Holotype: ZUEC 17121. Paratypes: ANSP, CAS, FMNH, ICNMHN, INPA, LBP, MCP, MCZ, MHNG, MNRJ, MUSM, UF, ZUEC. Plus additional non-type material. •Valid as Hyphessobrycon bayleyi Lima, Bastos, Rapp Py-Daniel & Ota 2022 -- (Lima et al. 2024:258 [ref. 41835]). Current status: Valid as Hyphessobrycon bayleyi Lima, Bastos, Rapp Py-Daniel & Ota 2022. Acestrorhamphidae: Hyphessobryconinae. Distribution: South Amercia: western Amazon basin, Brazil, Colombia, Ecuador and Peru. Habitat: freshwater.