| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Pterothamnion minutissimum (Levring) R.W. Ricker |
Southeast Pacific | ||
| Pterothamnion plumula (J. Ellis) Nägeli |
Northeast Atlantic | ||
| Pterothamnion simile (J.D. Hooker & Harvey) Nägeli |
Antarctic Indian Ocean |