bentosi, Hyphessobrycon Durbin [M. L.] in Eigenmann 1908:101 [Bulletin of the Museum of Comparative Zoology v. 52 (no. 6); ref. 1221] Amazon River at Obidos, Pará, Brazil. Syntypes: (21) CAS 42682 [ex IU 12654 & MCZ 20995] (3), MCZ 20842 (15), USNM 120270 [ex MCZ 20842a] (3). Type catalog: Vari & Howe 1991:26 [ref. 19022]. Author is M. L. Durbin. •Valid as Hyphessobrycon bentosi Durbin 1908 -- (Ortega & Vari 1986:8 [ref. 9708], Taphorn 1992:239 [ref. 23654], Weitzman & Palmer 1997:226 [ref. 22743], Weitzman & Palmer 1997:145 [ref. 24509], Weitzman & Palmer 1997:150 [ref. 24506], Lima & Malabarba in Reis et al. 2003:135 [ref. 27061], Hein 2009:9 [ref. 30362], García-Alzate et al. 2010:55 [ref. 30716], García-Alzate et al. 2011:709 [ref. 31266], Barriga Salazar 2014:107 [ref. 35745], Sarmiento et al. 2014:184 [ref. 35004], Zarske 2014:143 [ref. 33403], García-Alzate et al. 2015:222 [ref. 33855], Pastana & Ohara 2016:396 [ref. 34716], García-Alzate et al. 2017:125 [ref. 35253], Ohara et al. 2017:10 [ref. 35494], Pastana et al. 2017:13 [ref. 35596], DoNascimiento et al. 2017:49 [ref. 35633], Guimarães et al. 2018:82 [ref. 35965], Guimarães et al. 2020:106 [ref. 37899], Meza-Vargas et al. 2021:18 [ref. 39298], Koerber et al. 2022:38 [ref. 39235] unconfirmed, Taphorn et al. 2022:16 [ref. 41297]). •Valid as Megalamphodus bentosi (Durbin 1908) -- (Melo et al. 2024:21 [ref. 41541]). Current status: Valid as Megalamphodus bentosi (Durbin 1908). Acestrorhamphidae: Megalamphodinae. Distribution: South America: Amazon River basin (Brazil, Ecuador, Bolivia, Guyana, Peru and Colombia). Habitat: freshwater.