| Alcyonidium mamillatum Alder, 1857 | Accepted name (WoRMs) |
| Status | senior synonym, original combination |
| ICZN valid name | Yes |
| Status ref. | Piepenburg, D., N.V. Chernova, C.F. von Dorrien, J. Gutt, A.V. Neyelov, E. Rachor, L. Saldanha and M.K. Schmid, 1996 |
| Comment | |
| Etymology of Generic name | |
| Etymology of specific name |