| Citation | Ralph, P.M., 1958 New Zealand thecate hydroids. Part II. Families Lafoeidae, Lineolariidae, Haleciidae and Syntheciidae. Transactions of the Royal Society of New Zealand 85:301-356. |
| Ref. | 92973 Ralph, P.M., 1958 |
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| Named Used as Valid | Halecium ralphae |
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