| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Ascidia canina | Müller, 1776 | synonym | No | junior synonym |
original combination |
| Ascidia corrugata | Müller, 1776 | synonym | No | junior synonym |
original combination |
| Ascidia membranosa | Renier, 1807 | synonym | No | junior synonym |
original combination |
| Ascidia pulchella | Alder, 1863 | synonym | No | junior synonym |
original combination |
| Ascidia virens | Fabricius, 1779 | synonym | No | junior synonym |
original combination |
| Ascidia virescens | Pennant, 1812 | synonym | No | junior synonym |
original combination |
| Ascidia viridescens | Brugiére, 1792 | synonym | No | junior synonym |
original combination |
| Ciona gelatinosa | Bonnevie, 1896 | synonym | No | junior synonym |
original combination |
| Ciona intestinalis | (Linnaeus, 1767) | accepted name | Yes | senior synonym |
new combination |
| Tethyum sociabile | Gunnerus, 1965 | synonym | No | junior synonym |
original combination |