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 | Plantae | |
| Phylum | Bacillariophyta | |
| Class | Bacillariophyceae | |
| Order | Naviculales | |
| Family | Brachysiraceae | |
| Genus | Brachysira |
List of Individual Species - see Taxon profile using the name of the taxa.
| Brachysira exilis | (Kützing) Round & D.G. Mann | ||
| Brachysira serians | (Brébisson ex Kützing) Round & D.G. Mann | ||
| Brachysira species A |