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 | |
| Family | Bacillariaceae |
Genus list (full drilldown to species)
| Cylindrotheca | [2] | |
| Diploneis | [9] | |
| Fragilariopsis | [17] | |
| Nitzchia | [1] | |
| Nitzschia | [21] | |
| Pseudonitzschia | [9] |