| Citation | Duerden, J.E., 1893 Report on the Hydroida collected by the Royal Irish Academy Survey of the south-west coast of Ireland, 1885, 1886, and 1888. Proceedings of the Royal Irish Academy 3:137-150. |
| Ref. | 124666 Duerden, J.E., 1893 |
| Page | 139 |
| Named Used as Valid | Clava multicornis |
| Locality | |
| Distribution | Ireland. |