| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Actinotrocha vancouverensis | Zimmer, 1964 | ambiguous synonym | No | questionable |
original combination |
| Phoronis ijimai | Oka, 1897 | accepted name | Yes | senior synonym |
Original combination |
| Phoronis svetlanae | Temereva & Malakhov, 1999 | ambiguous synonym | No | questionable |
original combination |
| Phoronis vancouverensis | Pixell, 1912 | synonym | No | Junior synonym |
original combination |