pinnatus, Deuterodon Eigenmann [C. H.] 1909:25 [Annals of the Carnegie Museum v. 6 (no. 1); ref. 1222] Amatuk, Lower Potaro River, Guyana. Holotype: FMNH 53525 [ex CM 1046]. Paratypes: (46) MCZ 29951 (2); NMW 69386 (1); CAS-SU 21820 (2), 21902 (1); USNM 66171-72 (1, 1); ZMA 101030 (1), 101034 (1). Type catalog: Henn 1928:64 [ref. 12305], Böhlke 1953:23-24 [ref. 12291], Nijssen et al. 1982:17 [ref. 19236], Böhlke 1984:52 [ref. 13621], Ibarra & Stewart 1987:31 [ref. 12367], Géry et al. 1988:10 [ref. 6408], Vari & Howe 1991:20 [ref. 19022]. •Valid as Astyanax pinnatus (Eigenmann 1909) -- (Géry et al. 1996:10 [ref. 22155]). •Valid as Jupiaba pinnata (Eigenmann 1909) -- (Zanata 1997:128 [ref. 24112], Buckup in Reis et al. 2003:142 [ref. 27061], Zanata & Lima 2005:273 [ref. 28235], Pereira & Lucinda 2007:54 [ref. 29302], Birindelli et al. 2009:15 [ref. 30143], Netto-Ferreira et al. 2009:65 [ref. 30519], see DoNascimiento et al. 2017:[13] [ref. 35679], Taphorn et al. 2022:16 [ref. 41297]). Current status: Valid as Jupiaba pinnata (Eigenmann 1909). Acestrorhamphidae: Jupiabinae. Distribution: South America: coastal rivers (Guyana and Suriname). Habitat: freshwater.