| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Asthenognathus atlanticus Monod, 1933 |
Northeast Atlantic and Mediterranean | ||
| Asthenognathus hexagonum Rathbun, 1909 |
Western Pacific | 1.39 | |
| Asthenognathus inaequipes Stimpson, 1858 |
Northwest Pacific | 1.81 |