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 | Diatomophyceae/Bacillariophyceae | |
| Order | Pennales |
List of Families (full drilldown to species)
| Achnanthaceae | [21] | |
| Auriculaceae | [1] | |
| Bacillariaceae | [59] | |
| Cymbellaceae | [16] | |
| Entomoneidaceae | [6] | |
| Fragilariaceae | [58] | |
| Naviculaceae | [51] | |
| Unknown | [2] |