Species that contain: Rhamphichthys and marmoratus [ 2 ] records

marmoratus, Rhamphichthys Castelnau [F. L.] 1855:86, Pl. 46 (fig. 2) [Animaux nouveaux or rares v. 2; ref. 766] Rio Araguay, Brazil. Holotype (unique): MNHN 0000-3959 (poor condition). Type catalog: Bertin 1948:43 [ref. 19577], Ferraris et al. 2017:[28] [ref. 35236]. •Valid as Rhamphichthys marmoratus Castelnau 1855 -- (Mago-Leccia 1994:41 [ref. 21320], Triques 1999:1 [ref. 24281], Albert 2001:124 [ref. 25614], Ferraris in Reis et al. 2003:493 [ref. 27061], de Santana & Crampton 2011:1155 [ref. 31643], Barriga Salazar 2014:116 [ref. 35745] as cf. marmoratus, Ramos et al. 2014:4 [ref. 35321], Sarmiento et al. 2014:108, 188 [ref. 35004], Carvalho & Albert 2015:40 [ref. 33681], DoNascimiento et al. 2017:66 [ref. 35633], Ochoa et al. 2020:64 [ref. 37781], Taphorn et al. 2022:40 [ref. 41297]). •Synonym of Rhamphichthys pantherinus Castelnau 1855 -- (Ferraris et al. 2017:[28] [ref. 35236], Carvalho & Albert 2023:43 [ref. 40654]). Current status: Synonym of Rhamphichthys pantherinus Castelnau 1855. Rhamphichthyidae. Habitat: freshwater.

pantherinus, Rhamphichthys Castelnau [F. L.] 1855:86, Pl. 46 (fig. 3) [Animaux nouveaux or rares v. 2; ref. 766] Lake near Río Ucayali, Peru. Holotype (unique): MNHN 0000-3993. Type catalog: Bertin 1948:43 [ref. 19577], Ferraris et al. 2017:[28] [ref. 35236]. Günther 1875:5 [ref. 1995] serves as first reviser selecting pantherinus over marmoratus (see Ferraris et al. 2017:[28] [ref. 35236]). •Provisionally a synonym of Rhamphichthys marmoratus Castelnau 1855 -- (Triques 1999:1 [ref. 24281], Ferraris in Reis et al. 2003:493 [ref. 27061]). •Valid as Rhamphichthys pantherinus Castelnau 1855 -- (Mago-Leccia 1994:41 [ref. 21320], Chang & Ortega 1995:3 [ref. 24302], Albert 2001:124 [ref. 25614], Ferraris et al. 2017:[28] [ref. 35236], Silvano et al. 2020:199 [ref. 38135], Meza-Vargas et al. 2021:21 [ref. 39298], Chuctaya et al. 2022:34 [ref. 42137], Carvalho & Albert 2023:43 [ref. 40654], Koerber et al. 2023:5 [ref. 40665], Torgersen et al. 2023:780 [ref. 40692], Limeira-Filho et al. 2024:6 [ref. 41573]). Current status: Valid as Rhamphichthys pantherinus Castelnau 1855. Rhamphichthyidae. Distribution: South America: upper Orinoco, Tocantins, Essequibo, and coastal northern River drainages of Brazil from the Turiaçu to Paranaiba River drainages, and western Amazon basin (Colombia, Venezuela, Guyana, Brazil, Peru and Ecuador). IUCN (2023): Least Concern. Habitat: freshwater.