| Species | Name Used |
|---|---|
| Obelia longissima (Pallas, 1766) | Obelia longissima (p. ) |
| Pseudobiceros flowersi Newman & Cannon, 1997 | Pseudobiceros flowersi (p. 364 ) |
| Pseudobiceros hancockanus (Collingwood, 1876) | Pseudobiceros hancockanus (p. 365;fig.8 ) |
| Pseudoceros bimarginatus Meixner, 1907 | Pseudoceros bimarginatus (p. 356;fig.1 ) |