| Species | Name Used |
|---|---|
| Halammohydra coronata Clausen, 1967 | Halammohydra coronata (p. 17 ) |
| Halammohydra octopodides Remane, 1927 | Halammohydra octopodides (p. ) |
| Lizzia blondina Forbes, 1848 | Lizzia blondina (p. ) |
| Mitrocomella brownei (Kramp, 1930) | Mitrocomella brownei (p. 120 ) |
| Podocoryna borealis (Mayer, 1900) | Hydractinia borealis (p. 37 ) |
| Podocoryna carnea Sars, 1846 | Hydractinia carnea (p. 13 ) |