adenacanthus, Phallobrycon Menezes [N. A.], Ferreira [K. M.] & Netto-Ferreira [A. L.] 2009:54, Figs.1-9 [Zootaxa No. 2167; ref. 30293] Campinápolis, rapids in rio Culuene, rio Xingu basin, 13°49'S, 53°15'W, Mato Grosso, Brazil. Holotype: MZUSP 98892. Paratypes: MZUSP 98905 (1), 91367 (2), 91952 (8), 92637 (2), 97031 (24), 98899 (2), 98900 (2), 98902 (7), 98903 (13), 98904 (5 + 2 c&s). •Valid as Phallobrycon adenacanthus Menezes, Ferreira & Netto-Ferreira 2009 -- (Thomaz et al. 2015:Add. 5 [ref. 33893], Netto-Ferreira et al. 2016:260 [ref. 34905], Camelier 2024:249 [ref. 40817]). Current status: Valid as Phallobrycon adenacanthus Menezes, Ferreira & Netto-Ferreira 2009. Characidae: Stevardiinae. Distribution: South America: Xingu River basin, Pará and Mato Grosso States, Brazil. Habitat: freshwater.