melanotus, Prodontocharax Pearson [N. E.] 1924:36, Fig. 4; Pl. 12 (figs. 1-2) [Indiana University Studies v. 11 (no. 64); ref. 3396] Tumupasa, 30 miles northwest of Rurrenabaque, Bolivia, elevation about 1000 feet. Lectotype: CAS 59793 [ex IU 17331]. Paralectotypes: (should be 55) CAS 59794 [ex IU 17332] (2), 208888 (28); CAS-SU 17471 (6, 1 c&s); UMMZ 66491 (12). Type catalog: Böhlke 1953:26 [ref. 12291]. Lectotype selected by Böhlke 1953:660 [ref. 10330] as lecto-holotype. •Valid as Prodontocharax melanotus Pearson 1924 -- (Ortega & Vari 1986:9 [ref. 9708], Malabarba in Reis et al. 2003:218 [ref. 27061], Mirande 2010:531 [ref. 31006], Sarmiento et al. 2014:185 [ref. 35004], Netto-Ferreira & Vari 2017:373 [ref. 35453], Meza-Vargas et al. 2021:19 [ref. 39298], Bertaco et al. 2023:13 [ref. 40512]). Current status: Valid as Prodontocharax melanotus Pearson 1924. Characidae: Cheirodontinae. Distribution: South America: Beni, Itenez and upper Madre de Dios River basins, upper Madeira basin, Bolivia, Brazil and Peru. Habitat: freshwater.