IRMNG Taxon list
Gymnorhamphichthys apurensis Fernández-Yépez, 1968 accepted as Rhamphichthys apurensis (Fernández-Yépez, 1968)
Gymnorhamphichthys caianus (Triques, 1996) accepted as Iracema caiana Triques, 1996
Gymnorhamphichthys hypostomus Ellis, 1912
Gymnorhamphichthys petiti Géry & Vu-Tân-Tuê, 1964
Gymnorhamphichthys rondoni (Miranda-Ribeiro, 1920)
Gymnorhamphichthys rosamariae Schwassmann, 1989
Iracema caiana Triques, 1996
Rhamphichthys apurensis (Fernández-Yépez, 1968)
Rhamphichthys artedi Kaup, 1856 accepted as Hypopomus artedi (Kaup, 1856)
Rhamphichthys atlanticus Triques, 1999
Rhamphichthys blochii Kaup, 1856 accepted as Rhamphichthys rostratus (Linnaeus, 1766)
Rhamphichthys brevirostris Steindachner, 1868 accepted as Brachyhypopomus brevirostris (Steindachner, 1868)
Rhamphichthys cingulatus Brind, 1935 accepted as Gymnotus coatesi La Monte, 1935
Rhamphichthys drepanium Triques, 1999
Rhamphichthys elegans Steindachner, 1880 accepted as Steatogenys elegans (Steindachner, 1880)
Rhamphichthys hahni (Meinken, 1937)
Rhamphichthys lineatus Castelnau, 1855
Rhamphichthys longior Triques, 1999
Rhamphichthys marmoratus Castelnau, 1855
Rhamphichthys mirabilis Steindachner, 1880 accepted as Steatogenys elegans (Steindachner, 1880)
Rhamphichthys mulleri Kaup, 1856 accepted as Hypopomus artedi (Kaup, 1856)
Rhamphichthys pantherinus Castelnau, 1855
Rhamphichthys reinhardti Kaup, 1856 accepted as Rhamphichthys rostratus (Linnaeus, 1766)
Rhamphichthys rostratus (Linnaeus, 1766)
Rhamphichthys schneideri Kaup, 1856 accepted as Rhamphichthys rostratus (Linnaeus, 1766)
Rhamphichthys schomburgki Kaup, 1856
Urumara rondoni Miranda-Ribeiro, 1920 accepted as Gymnorhamphichthys rondoni (Miranda-Ribeiro, 1920)