plumbellus, Hyphessobrycon Dagosta [F. C. P.], Ohara [W. M.] & Seren [T. J.] 2026:3, Figs. 1-4 [Neotropical Ichthyology v. 24 (no. 1): e250125; ref. 42968] Tributary from rio Juína near BR-364, Comodoro, Mato Grosso State, Brazil, 13°47'59.33"S, 59°29'17.69"W. Holotype: MZUSP 112070. Paratypes: CITL, INPA, MUBIO, MZUEL, MZUSP, UFRO. Plus additional non-type material. •Valid as Hyphessobrycon plumbellus Dagosta, Ohara & Seren 2026. Current status: Valid as Hyphessobrycon plumbellus Dagosta, Ohara & Seren 2026. Acestrorhamphidae: Hyphessobryconinae. Distribution: South America: upper Guaporé River drainage, Madeira River basin, and upper Juruena River drainage, Tapajós River basin, Chapada dos Parecis, Mato Grosso State, Brazil. Habitat: freshwater.