| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Sternaspis fossor Stimpson, 1854 |
Western Central Atlantic and Eastern Pacific | ||
| Sternaspis laevis Caullery, 1944 |
Western Central Pacific | ||
| Sternaspis maior Chamberlin, 1919 |
Eastern Pacific | ||
| Sternaspis scutata Ranzani, 1817 |
Scutate stermaspid worm | Arctic, Indo-Pacific, Atlantic, Adriatic, Mediterranean and Antarctic Atlantic |