drepanon, Odontostilbe Fowler [H. W.] 1913:529, Fig. 7 [Proceedings of the Academy of Natural Sciences of Philadelphia v. 65; ref. 1389] Rio Madeira tributary, near Porto Velho, Brazil. Holotype: ANSP 39210. Paratypes: ANSP 39211-16 (6). Type catalog: Böhlke 1984:45 [ref. 13621]. •Valid as Cheirodon drepanon (Fowler 1913) -- (Chang & Ortega 1995:2 [ref. 24302]). •Synonym of Odontostilbe fugitiva Cope 1870 -- (Malabarba in Reis et al. 2003:218 [ref. 27061], Bührnheim & Malabarba 2006:170 [ref. 28728], Chuctaya & Malabarba 2024:240 [ref. 40817]). Current status: Synonym of Odontostilbe fugitiva Cope 1870. Characidae: Cheirodontinae. Habitat: freshwater.