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 | Chromista | |
| Phylum | Heterokontophyta | |
| Class | Xanthophyceae | |
| Order | Mischococcales | |
| Family | Pleurochloridaceae | |
| Genus | Ellipsoidion |
List of Individual Species - see Taxon profile using the name of the taxa.
| Ellipsoidion perminutum var. cryophila | Kol in Kol et Flint 1968 | ||
| Ellipsoidion sp. | |||
| Ellipsoidion sp./? |