| Citation | Bale, W.M., 1924 Report on some hydroids from the New Zealand Coast, with notes on New Zealand Hydroida generally, supplementing Farquhar's list. Transactions and Proceedings of the New Zealand Institute 55:225-268, figs.1-18. |
| Ref. | 88965 Bale, W.M., 1924 |
| Page | 226,250-251 |
| Named Used as Valid | Synthecium orthogonium |
| Locality | |
| Distribution | New Zealand. |