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 | Rotifera | |
| Class | Eurotatoria | |
| Order | Bdelloidea | |
| Family | Habrotrochidae | |
| Genus | Otostephanos |
List of Individual Species - see Taxon profile using the name of the taxa.
| Otostephanos torquatus | (Bryce, 1913) |