| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Boltenia africana Millar, 1962 |
Southeast Atlantic | ||
| Boltenia echinata (Linnaeus, 1767) |
Spiny-tipped tunicate | Northern Pacific, Northern Atlantic, and the Arctic | 2 |
| Boltenia hirta Monniot & Monniot, 1977 |
Antarctic, sub-Antarctic and Indo-West Pacific | ||
| Boltenia ovifera (Linnaeus, 1767) |
Stalked tunicate | Northern Atlantic, Northern Pacific and the Arctic | 8 |
| Boltenia pilosa (Millar, 1955) |
Atlantic Ocean and Indian Ocean | ||
| Boltenia polyplacoderma Lambert, 1993 |
Eastern Central Pacific | ||
| Boltenia villosa (Stimpson, 1864) |
Spiny-headed sea squirt | Arctic to Northern Pacific | 2.5 |