| Citation | Nakayama, A. and T. Numakunai, 2000 A novel life history strategy of the hydrozoan, Hybocodon prolifer. Journal of the Marine Biological Association of the United Kingdom 80:363-364. |
| Ref. | 3715 Nakayama, A. and T. Numakunai, 2000 |
| Page | |
| Named Used as Valid | Chelyosoma siboja |
| Locality | |
| Distribution | Japan. |