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 | Leptothecata | |
| Family | Campanulariidae | |
| Genus | Obelia |
List of Individual Species - see Taxon profile using the name of the taxa.
| Obelia cf. longissima | (Pallas) |