At any stage, you can move up or down the Taxonomic hierachy of Antarctic/subantarctic species by clicking on any name. Lower level taxon counts are shown in [].
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| Kingdom | Animalia | |
| Phylum | Cnidaria | |
| Class | Hydrozoa | |
| Order | Leptomedusae | |
| Family | Campanulariidae |
List of all species - see Taxon profile using the number
| Genus Obelia | ||||
| Obelia diaphna | Browne and Kramp 1939 | |||
| Obelia geniculata | Mayer (1910) | |||
| Obelia multicia | Browne and Kramp 1939 | |||
| Genus Phialidim | ||||
| Phialidim iridescens | Maas 1906 | |||
| Phialidim simplex | Browne 1902 | |||