n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Leptenchelys labialis | (Seale, 1917) | Schismorhynchus labialis | Ophichthidae | Grooved-jaw worm eel |
| Leptenchelys pinnaceps | Schultz, 1953 | Callechelys catostoma | Ophichthidae | Black-striped snake eel |
| Leptenchelys tenuis | Tortonese, 1964 | Bascanichthys longipinnis | Ophichthidae | |
| Leptenchelys vermiformis | Myers & Wade, 1941 | Leptenchelys vermiformis | Ophichthidae | Slender worm-eel |