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 | Chromista | |
| Phylum | Ochrophyta | |
| Class | Coscinodiscophyceae | |
| Order | Coscinodiscales | |
| Family | Hemidiscaceae |
Genus list (full drilldown to species)
| Actinocyclus | [17] | |
| Charcotia | [3] | |
| Hemidiscus | [2] |