| Species | Name Used |
|---|---|
| Botrylloides violaceus Oka, 1927 | Botrylloides violaceus (p. ) |
| Botryllus schlosseri (Pallas, 1766) | Botryllus schlosseri (p. ) |
| Ciona intestinalis (Linnaeus, 1767) | Ciona intestinalis (p. ) |
| Styela clava Herdman, 1881 | Styela clava (p. ) |
| Thaumastocheles japonicus Calman, 1913 | Thaumastocheles japonicus (p. 230 ) |