Name(s) in cluster
| Onchidium planatum | urn:lsid:organismnames.com:name:4620888 |
| Onchidium planatum Quoy & Gaimard 1824 | urn:lsid:organismnames.com:name:5314461 |
| Onchidium planatum (Quoy & Gaim. ) | urn:lsid:organismnames.com:name:4056731 |
| Onchidium planatum Quoy & Gaimard 1825 | urn:lsid:organismnames.com:name:4736202 |
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