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 | Unknown | |
| Order | Unknown | |
| Family | Unknown | |
| Genus | Petasaria |
List of Individual Species - see Taxon profile using the name of the taxa.
| Petasaria heterolepis | Moestrup (1979) |