| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| ! Botrylloides leachi | (Savigny, 1816) | synonym | No | senior synonym |
new combination |
| Botrylloides leachii | (Savigny, 1816) | accepted name | Yes | senior synonym |
new combination |
| Botrylloides tyreum | Herdman, 1886 | synonym | No | junior synonym |
original combination |
| Botryllus leachii | (Savigny, 1816) | synonym | No | junior synonym |
new combination |