oyakawai, Probolodus Santos [O.] & Castro [R. M. C.] 2014:409, Figs. 1, 5-6 [Neotropical Ichthyology v. 12 (no. 2); ref. 33386] São Paulo, município de Iporanga, rio Ribeira de Iguape basin, 24°34’22"S, 8°33’34"W, Brazil. Holotype: MZUSP 114013. Paratypes: FMNH, MZUSP, ZUEC. •Valid as Probolodus oyakawai Santos & Castro 2014. •Valid as Deuterodon oyakawai (Santos & Castro 2014) -- (Terán et al. 2020:7 [ref. 37440]). Current status: Valid as Deuterodon oyakawai (Santos & Castro 2014). Acestrorhamphidae: Stygichthyinae. Distribution: Rio Ribeira de Iguape basin, Brazil. Habitat: freshwater.