| Nominal Species (n = 107) | Present allocation (n = 95) | Ref. |
|---|---|---|
| Apteronotus acidops Triques, 2011 | Apteronotus acidops | 88927 |
| Gymnotus albifrons Linnaeus, 1766 | Apteronotus albifrons | 26457 |
| Pariosternarchus amazonensis Albert & Crampton, 2006 | Pariosternarchus amazonensis | 57730 |
| Apteronotus anas Eigenmann & Allen, 1942 | Parapteronotus hasemani | 36886 |
| Apteronotus anu de Santana & Vari, 2013 | Apteronotus anu | 93867 |
| Apteronotus apurensis Fernández-Yépez, 1968 | Apteronotus apurensis | 26457 |
| Sternarchorhynchus axelrodi de Santana & Vari, 2010 | Sternarchorhynchus axelrodi | 84053 |
| Sternarchus balaenops Cope, 1878 | Adontosternarchus balaenops | 12965 |
| Apteronotus baniwa de Santana & Vari, 2013 | Apteronotus baniwa | 93867 |
| Sternarchus bonapartii Castelnau, 1855 | Apteronotus bonapartii | 26457 |
| Sternarchus brasiliensis Reinhardt, 1852 | Apteronotus brasiliensis | 26457 |
| Sternarchorhynchus britskii Campos-da-Paz, 2000 | Sternarchorhynchus britskii | 36886 |
| Sternarchorhynchus caboclo de Santana & Nogueira, 2006 | Sternarchorhynchus caboclo | 56957 |
| Sternarchella calhamazon Lundberg, Coz Fernandes, Campos da Paz & Sullivan, 2013 | Sternarchella calhamazon | 93342 |
| Apteronotus camposdapazi de Santana & Lehmann A., 2006 | Apteronotus camposdapazi | 57702 |
| Sternarchus capanemae Steindachner, 1868 | Sternarchella schotti | 126780 |
| Apteronotus caudimaculosus de Santana, 2003 | Apteronotus caudimaculosus | 50581 |
| Sternarchorhynchus chaoi de Santana & Vari, 2010 | Sternarchorhynchus chaoi | 84053 |
| Adontosternarchus clarkae Mago-Leccia, Lundberg & Baskin, 1985 | Adontosternarchus clarkae | 26457 |
| Porotergus compsus Mago-Leccia, 1994 | Compsaraia compsa | 26457 |
| Sternarchorhynchus cramptoni de Santana & Vari, 2010 | Sternarchorhynchus cramptoni | 84053 |
| Platyurosternarchus crypticus de Santana & Vari, 2009 | Platyurosternarchus crypticus | 81220 |
| Sternarchogiton cuchillejo Schultz, 1949 | Apteronotus cuchillejo | 26457 |
| Apteronotus cuchillo Schultz, 1949 | Apteronotus cuchillo | 26457 |
| Sternarchorhynchus curumim de Santana & Crampton, 2006 | Sternarchorhynchus curumim | 57455 |
| Sternarchella curvioperculata Godoy, 1968 | Apteronotus curvioperculata | 26457 |
| Sternarchus curvirostris Boulenger, 1887 | Sternarchorhynchus curvirostris | 26457 |
| Megadontognathus cuyuniensis Mago-Leccia, 1994 | Megadontognathus cuyuniensis | 123477 |
| Adontosternarchus devenanzii Mago-Leccia, Lundberg & Baskin, 1985 | Adontosternarchus devenanzii | 36886 |
| Adontosternarchus duartei de Santana & Vari, 2012 | Adontosternarchus duartei | 91753 |
| Magosternarchus duccis Lundberg, Cox Fernandes & Albert, 1996 | Sternarchella duccis | 13085 |
| Porotergus duende de Santana & Crampton, 2010 | Porotergus duende | 83661 |
| Porotergus ellisi Alonso de Arámburu, 1957 | Apteronotus ellisi | 26457 |
| Apteronotus eschmeyeri de Santana, Maldonado-Ocampo, Severi & Mendes, 2004 | Apteronotus eschmeyeri | 50571 |
| Oedemognathus exodon Myers, 1936 | Sternarchogiton nattereri | 33194 |
| Apteronotus ferrarisi de Santana & Vari, 2013 | Apteronotus ferrarisi | 93867 |
| Sternarchorhynchus freemani de Santana & Vari, 2010 | Sternarchorhynchus freemani | 84053 |
| Sternarchorhynchus galibi de Santana & Vari, 2010 | Sternarchorhynchus galibi | 84053 |
| Apteronotus galvisi de Santana, Maldonado-Ocampo & Crampton, 2007 | Apteronotus galvisi | 75033 |
| Porotergus gimbeli Ellis, 1912 | Porotergus gimbeli | 26457 |
| Sternarchorhynchus gnomus de Santana & Taphorn, 2006 | Sternarchorhynchus gnomus | 56955 |
| Sternarchorhynchus goeldii de Santana & Vari, 2010 | Sternarchorhynchus goeldii | 84053 |
| Porotergus gymnotus (non Ellis, 1912) | Porotergus duende | 83661 |
| Porotergus gymnotus Ellis, 1912 | Porotergus gymnotus | 12225 |
| Sternarchorhynchus hagedornae de Santana & Vari, 2010 | Sternarchorhynchus hagedornae | 84053 |
| Sternarchus hasemani Ellis, 1913 | Parapteronotus hasemani | 26457 |
| Sternarchorhynchus higuchii de Santana & Vari, 2010 | Sternarchorhynchus higuchii | 84053 |
| Compsaraia iara Bernt & Albert, 2017 | Compsaraia iara | 115978 |
| Sternarchorhynchus inpai de Santana & Vari, 2010 | Sternarchorhynchus inpai | 84053 |
| Sternarchorhynchus jaimei de Santana & Vari, 2010 | Sternarchorhynchus jaimei | 84053 |
| Sternarchus jurubidae Fowler, 1944 | Apteronotus jurubidae | 26457 |
| Megadontognathus kaitukaensis Campos-da-paz, 1999 | Megadontognathus kaitukaensis | 33371 |
| Sternarchorhynchus kokraimoro de Santana & Vari, 2010 | Sternarchorhynchus kokraimoro | 84053 |
| Sternarchogiton labiatus de Santana & Crampton, 2007 | Sternarchogiton labiatus | 75769 |
| Sternarchus lacepedii Castelnau, 1855 | Apteronotus albifrons | 26457 |
| Sternarchus leptorhynchus Ellis, 1912 | Apteronotus leptorhynchus | 2059 |
| Apteronotus lindalvae de Santana & Cox Fernandes, 2012 | Apteronotus lindalvae | 91045 |
| Sternarchus macrolepis Steindachner, 1881 | Apteronotus macrolepis | 36886 |
| Sternarchus macrostoma Günther, 1870 | Platyurosternarchus macrostoma | 26457 |
| Sternarchus macrostomus Fowler, 1943 | Apteronotus macrostomus | 26457 |
| Ubidia magdalenensis Miles, 1945 | Apteronotus magdalenensis | 26457 |
| Apteronotus magoi de Santana, Castillo & Taphorn, 2006 | Apteronotus magoi | 57694 |
| Tembeassu marauna Triques, 1998 | Tembeassu marauna | 57479 |
| Sternarchorhynchus mareikeae de Santana & Vari, 2010 | Sternarchorhynchus mareikeae | 84053 |
| Sternarchus mariae Eigenmann & Fisher, 1914 | Apteronotus mariae | 26457 |
| Sternarchorhynchus marreroi de Santana & Vari, 2010 | Sternarchorhynchus marreroi | 84053 |
| Sternarchus maximilliani Castelnau, 1855 | Apteronotus albifrons | 26457 |
| Sternarchorhynchus mendesi de Santana & Vari, 2010 | Sternarchorhynchus mendesi | 84053 |
| Sternarchorhynchus mesensis Campos-da-Paz, 2000 | Sternarchorhynchus mesensis | 36352 |
| Apteronotus milesi de Santana & Maldonado-Ocampo, 2005 | Apteronotus milesi | 55976 |
| Sternarchorhynchus montanus de Santana & Vari, 2010 | Sternarchorhynchus montanus | 84053 |
| Sternarchus mormyrus Steindachner, 1868 | Sternarchorhynchus mormyrus | 26457 |
| Sternarchus muelleri Steindachner, 1881 | Sternarchorhamphus muelleri | 26282 |
| Sternarchorhynchus mulleri Castelnau, 1855 | Sternarchorhynchus oxyrhynchus | 26457 |
| Sternarchus nattereri Steindachner, 1868 | Sternarchogiton nattereri | 26457 |
| Adontosternarchus nebulosus Lundberg & Cox Fernandes, 2007 | Adontosternarchus nebulosus | 78211 |
| Sternarchella orinoco Mago-Leccia, 1994 | Sternarchella orinoco | 126780 |
| Sternarchella orthos Mago-Leccia, 1994 | Sternarchella orthos | 26457 |
| Sternarchus oxyrhynchus Müller & Troschel, 1849 | Sternarchorhynchus oxyrhynchus | 26457 |
| Apteronotus passan Lacepède, 1800 | Apteronotus albifrons | 26457 |
| Sternarchella patriciae Evans, Crampton & Albert, 2017 | Sternarchella patriciae | 126780 |
| Apteronotus pemon de Santana & Vari, 2013 | Apteronotus pemon | 93867 |
| Sternarchogiton porcinum Eigenmann & Allen, 1942 | Sternarchogiton porcinum | 26457 |
| Sternarchogiton preto de Santana & Crampton, 2007 | Sternarchogiton preto | 75769 |
| Magosternarchus raptor Lundberg, Cox Fernandes & Albert, 1996 | Sternarchella raptor | 13085 |
| Sternarchorhynchus retzeri de Santana & Vari, 2010 | Sternarchorhynchus retzeri | 84053 |
| Sternarchella rex Evans, Crampton & Albert, 2017 | Sternarchella rex | 126780 |
| Sternarchorhynchus roseni (non Mago-Leccia, 1994) | Sternarchorhynchus cramptoni | 84053 |
| Sternarchorhynchus roseni (non Mago-Leccia, 1994) | Sternarchorhynchus retzeri | 84053 |
| Sternarchorhynchus roseni Mago-Leccia, 1994 | Sternarchorhynchus roseni | 26457 |
| Stenarchus rostratus (non Meek & Hildebrand, 1913) | Apteronotus eschmeyeri | 50571 |
| Sternarchus rostratus Meek & Hildebrand, 1913 | Apteronotus rostratus | 26457 |
| Sternarchus sachsi Peters, 1877 | Adontosternarchus sachsi | 26457 |
| Compsaraia samueli Albert & Crampton, 2009 | Compsaraia samueli | 80384 |
| Sternarchus schotti Steindachner, 1868 | Sternarchella schotti | 26457 |
| Sternarchorhynchus schwassmanni de Santana & Vari, 2010 | Sternarchorhynchus schwassmanni | 84053 |
| Sternarchorhynchus severii de Santana & Nogueira, 2006 | Sternarchorhynchus severii | 56957 |
| Sternarchella sima Starks, 1913 | Sternarchella sima | 26457 |
| Sternarchus spurrellii Regan, 1914 | Apteronotus spurrellii | 26457 |
| Sternarchorhynchus starksi de Santana & Vari, 2010 | Sternarchorhynchus starksi | 84053 |
| Sternarchorhynchus stewarti de Santana & Vari, 2010 | Sternarchorhynchus stewarti | 84053 |
| Sternarchus tamandua Boulenger, 1898 | Orthosternarchus tamandua | 26457 |
| Sternarchorhynchus taphorni de Santana & Vari, 2010 | Sternarchorhynchus taphorni | 84053 |
| Porotergus terminalis Eigenmann & Allen, 1942 | Sternarchella schotti | 126780 |
| Sternarchorhynchus villasboasi de Santana & Vari, 2010 | Sternarchorhynchus villasboasi | 84053 |
| Sternarchorhynchus yepezi de Santana & Vari, 2010 | Sternarchorhynchus yepezi | 84053 |
| Sternarchogiton zuanoni de Santana & Vari, 2010 | Sternarchogiton zuanoni | 83662 |