rostratus, Gymnotus Linnaeus [C.] 1766:428 [Systema naturae sive regna tria naturae v. 1 (pt 1); ref. 2786] America [South America]. No types known. Type catalog: Ferraris et al. 2017:[28] [ref. 35236] with remarks. Based on multiple sources, including the 'Gymnotus maxillis elongatis tubulosis ...' of Gronow 1763:41 [ref. 1910], and Seba 1759:99, pl. 32, fig. 5 [ref. 18716]. •Valid as Rhamphichthys rostratus (Linnaeus 1766) -- (Ortega & Vari 1986:13 [ref. 9708], Mago-Leccia 1994:41 [ref. 21320], Planquette et al. 1996:400 [ref. 22818], Albert & Campos-da-Paz 1998:423 [ref. 23853], Sverlij et al. 1998:40 [ref. 27632], Triques 1999:1 [ref. 24281], Albert 2001:124 [ref. 25614], Lasso et al. 2001:100 [ref. 25928], Ferraris in Reis et al. 2003:493 [ref. 27061], López et al. 2003:65 [ref. 27366], Menni 2004:84 [ref. 28131], Sarmiento et al. 2014:108, 188 [ref. 35004], Carvalho & Albert 2015:40 [ref. 33681], Melo et al. 2016:134 [ref. 34701], Nión et al. 2016:34 [ref. 35565] as Ramphichthys, Ferraris et al. 2017:[28] [ref. 35236], DoNascimiento et al. 2017:66 [ref. 35633], Urbano-Bonilla et al. 2018:73 [ref. 35773], Ochoa et al. 2020:64 [ref. 37781], Silvano et al. 2020:199 [ref. 38135], Meza-Vargas et al. 2021:21 [ref. 39298], Koerber et al. 2022:45 [ref. 39235], Taphorn et al. 2022:40 [ref. 41297], Carvalho & Albert 2023:55 [ref. 40654], Torgersen et al. 2023:780 [ref. 40692]). Current status: Valid as Rhamphichthys rostratus (Linnaeus 1766). Rhamphichthyidae. Distribution: South America: Amazon, Essequibo, Tocantins, and coastal River basins of the Guianas (Bolivia, Peru, Colombia, Venezuela, Guyana, Suriname, French Guiana and Brazil). Habitat: freshwater.