n = 10
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Echelus caudilimbatus | Poey, 1867 | Paraconger caudilimbatus | Congridae | Margintail conger |
| Echelus ciuciara | Rafinesque, 1810 | Ariosoma balearicum | Congridae | Bandtooth conger |
| Echelus microchir | Bleeker, 1864 | Myrophis microchir | Ophichthidae | Ordinary snake eel |
| Echelus myrus | (Linnaeus, 1758) | Echelus myrus | Ophichthidae | Painted eel |
| Echelus oxyrinchus | Rafinesque, 1810 | Ophisurus serpens | Ophichthidae | Serpent eel |
| Echelus pachyrhynchus | (Vaillant, 1888) | Echelus pachyrhynchus | Ophichthidae | |
| Echelus polyspondylus | McCosker & Ho, 2015 | Echelus polyspondylus | Ophichthidae | Many-vertebrae snake eel |
| Echelus punctatus | Rafinesque, 1810 | Echelus myrus | Ophichthidae | Painted eel |
| Echelus rufus | Rafinesque, 1810 | Ophichthus rufus | Ophichthidae | Rufus snake-eel |
| Echelus uropterus | (Temminck & Schlegel, 1846) | Echelus uropterus | Ophichthidae | Finned worm eel |