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 | Scyphozoa | |
| Order | Semaeostomaeida |
List of all species - see Taxon profile using the number
| Family Periphyllidae | ||||
| Periphyla periphyla | (Peron & Lesueur, 1809) | Helmet Jelly | ||