microstomus, Oligobrycon Eigenmann [C. H.] 1915:57, Fig. 17; Pl. 9 (fig. 1) [Memoirs of the Carnegie Museum v. 7 (no. 1); ref. 1231] Rio Parahyba at Jacarehy, Brazil. Holotype: FMNH 57913 [ex CM 6898]. Paratypes: FMNH 57914 [CM 6899a] (1). Type catalog: Henn 1928:59 [ref. 12305], Ibarra & Stewart 1987:62 [ref. 12367]. •Valid as Oligobrycon microstomus Eigenmann 1915 -- (Buckup in Reis et al. 2003:151 [ref. 27061]). Current status: Valid as Oligobrycon microstomus Eigenmann 1915. Characids incertae sedis. Distribution: South America: upper and middle Paraíba do Sul River basin, Brazil. Habitat: freshwater.