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 | Fragilariaceae |
Genus list (full drilldown to species)
| Fragilaria | [37] | |
| Grammatophora | [2] | |
| Pseudostaurosira | [2] | |
| Synedropsis | [5] | |
| Thalassionema | [6] | |
| Thalassiothrix | [4] | |
| Trichotoxon | [2] |