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 [].
Back to List of kingdoms
| Kingdom | Animalia | |
| Phylum | Echinodermata | |
| Class | Echinoidea |
List of Orders
| Cassiduloida | [4] | |
| Cidaroida | [6] | |
| Echinoida | [1] | |
| Spatangoida | [13] | |
| Unknown | [2] |