mucronatus, Astyanax Eigenmann [C. H.] 1909:19 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Potaro River at Tumatumari, Guyana. Holotype: FMNH 53520 [ex CM 1025]. Paratypes: (17, CM and IU) BMNH 1911.10.31.333 (1); CAS 39346-47 [ex IU 11725-26] (3, 4); FMNH 7456 (1), 52690 (1), 53521 (5); MCZ 29963 (1). Type catalog: Henn 1928:61 [ref. 12305], Ibarra & Stewart 1987:13 [ref. 12367]. •Valid as Astyanax mucronatus Eigenmann 1909 -- (Géry et al. 1996:8 [ref. 22155], Zarske & Géry 1999:205 [ref. 24913]). •Valid as Jupiaba mucronata (Eigenmann 1909) -- (Zanata 1997:128 [ref. 24112], Zanata & Lima 2005:277 [ref. 28235], Pereira & Lucinda 2007:54 [ref. 29302], Netto-Ferreira et al. 2009:65 [ref. 30519], Mirande 2010:502 [ref. 31006], see DoNascimiento et al. 2017:[13] [ref. 35679]). Current status: Valid as Jupiaba mucronata (Eigenmann 1909). Characidae: Stethaprioninae. Distribution: Coastal rivers of Guyana. Habitat: freshwater.