| Nominal Species (n = 55) | Present allocation (n = 25) | Ref. |
|---|---|---|
| Ophisternon aenigmaticum Rosen & Greenwood, 1976 | Ophisternon aenigmaticum | 79717 |
| Symbranchus afer Boulenger, 1909 | Ophisternon afrum | 100770 |
| Muraena alba Zuiew, 1793 | Monopterus albus | 4833 |
| Pneumabranchus albinus McClelland, 1844 | Monopterus cuchia | 41236 |
| Gymnotus albus Zuiew, 1789 | Monopterus albus | 4833 |
| Falconeria aptera Larrañaga, 1923 | Synbranchus marmoratus | 79717 |
| Ophisternon bengalense McClelland, 1844 | Ophisternon bengalense | 6028 |
| Monopterus bicolor Nguyen & Nguyen, 2005 | Monopterus bicolor | 84797 |
| Typhlosynbranchus boueti Pellegrin, 1922 | Monopterus boueti | 2828 |
| Symbranchus caligans Cantor, 1849 | Macrotrema caligans | 26282 |
| Anommatophasma candidum Mees, 1962 | Ophisternon candidum | 26282 |
| Pneumabranchus cinereus McClelland, 1844 | Monopterus albus | 41236 |
| Unibranchapertura cuchia Hamilton, 1822 | Monopterus cuchia | 1479 |
| Monopterus desilvai Bailey & Gans, 1998 | Monopterus desilvai | 40966 |
| Monopterus dienbienensis Nguyen & Nguyen, 2005 | Monopterus dienbienensis | 84797 |
| Monopterus digressus Gopi, 2002 | Monopterus digressus | 54621 |
| Symbranchus doeringii Weyenbergh, 1877 | Synbranchus marmoratus | 92135 |
| Monopterus eapeni Talwar, 1991 | Monopterus eapeni | 4833 |
| Amphipnous fossorius Nayar, 1951 | Monopterus fossorius | 4833 |
| Synbranchus fuliginosus Ranzani, 1839 | Synbranchus marmoratus | 79717 |
| Synbranchus grammicus Cantor, 1842 | Monopterus albus | 41236 |
| Synbranchus gutturalis Richardson, 1845 | Ophisternon gutturale | 26282 |
| Monopterus helvolus Richardson, 1846 | Monopterus albus | 26282 |
| Ophisternon hepaticus McClelland, 1844 | Ophisternon bengalense | 4833 |
| Symbranchus hieronymi Weyenbergh, 1877 | Synbranchus marmoratus | 79717 |
| Moringua hodgarti Chaudhuri, 1913 | Monopterus hodgarti | 4832 |
| Monopterus ichthyophoides Britz, Lalremsanga, Lalrotluanga & Lalramliana, 2011 | Monopterus ichthyophoides | 87307 |
| Apterigia immaculata Basilewsky, 1855 | Monopterus albus | 41236 |
| Synbranchus immaculatus Bloch, 1795 | Synbranchus marmoratus | 79717 |
| Amphipnous indicus Silas & Dawson, 1961 | Monopterus indicus | 4833 |
| Monopterus indicus Eapen, 1963 | Monopterus eapeni | 27297 |
| Pluto infernalis Hubbs, 1938 | Ophisternon infernale | 27297 |
| Monopterus javanensis Lacepède, 1800 | Monopterus albus | 2091 |
| Unibranchapertura laevis Lacepède, 1803 | Monopterus albus | 41236 |
| Synbranchus lampreia Favorito, Zanata & Assumpção, 2005 | Synbranchus lampreia | 56782 |
| Pneumabranchus leprosus McClelland, 1844 | Monopterus cuchia | 41236 |
| Unibranchapertura lineata Lacepède, 1803 | Synbranchus marmoratus | 79717 |
| Monopterus luticolus Britz, Doherty-Bone, Kouete, Sykes & Gower, 2016 | Monopterus luticolus | 116049 |
| Synbranchus madeirae Rosen & Rumney, 1972 | Synbranchus madeirae | 79717 |
| Monopterus marmoratus Richardson, 1846 | Monopterus albus | 41236 |
| Synbranchus marmoratus Bloch, 1795 | Synbranchus marmoratus | 79717 |
| Synbranchus mercedarius Weyenbergh, 1877 | Synbranchus marmoratus | 79717 |
| Tetrabranchus microphthalmus Bleeker, 1851 | Ophisternon bengalense | 41236 |
| Apterigia nigromaculata Basilewsky, 1855 | Monopterus albus | 41236 |
| Synbranchus pardalis Valenciennes, 1836 | Synbranchus marmoratus | 79717 |
| Ophicardia phayriana McClelland, 1844 | Monopterus albus | 41236 |
| Falconeria pinnata Larrañaga, 1923 | Synbranchus marmoratus | 79717 |
| Ophichthys punctatus Swainson, 1839 | Monopterus cuchia | 41236 |
| Monopterus rongsaw Britz, Sykes, Gower & Kamei, 2018 | Monopterus rongsaw | 118582 |
| Monopterus roseni Bailey & Gans, 1998 | Monopterus roseni | 27299 |
| Apterigia saccogularis Basilewsky, 1855 | Monopterus albus | 41236 |
| Pneumabranchus striatus McClelland, 1844 | Monopterus cuchia | 26282 |
| Symbranchus tigrinus Weyenbergh, 1877 | Synbranchus marmoratus | 79717 |
| Synbranchus vittatus Castelnau, 1855 | Synbranchus marmoratus | 79717 |
| Synbranchus xanthognathus Richardson, 1845 | Monopterus albus | 41236 |