| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Nemertopsis gracilis unspecified |
Northwest Pacific | ||
| Nemertopsis quadripunctata (Quoy & Gaimard, 1833) |
Northwest Pacific | 6.1 | |
| Nemertopsis tetraclitophila Gibson, 1990 |
Northwest Pacific | 3.5 |