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 | Hemidiscus |
List of Individual Species - see Taxon profile using the name of the taxa.
| Hemidiscus karstenii | |||
| Hemidiscus ovalis | (R. Gersonde) D. M. Harwood & T. Maruyama |