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 | Chromista | |
| Phylum | Bacillariophyta | |
| Class | Bacillariophyceae | |
| Order | Lyrellales | |
| Family | Lyrellaceae | |
| Genus | Petroneis |
List of Individual Species - see Taxon profile using the name of the taxa.
| Petroneis humerosa | (BrÚb. ex W. Smith) A.J. Stickle et D.G. Mann 1990 |