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 | Protozoa | |
| Phylum | Ciliophora | |
| Class | Oligohymenophorea | |
| Order | Philasterida | |
| Family | Philasteridae | |
| Genus | Porpostoma |
List of Individual Species - see Taxon profile using the name of the taxa.
| Porpostoma grassei | (Corliss & Snyder) Petz, Song & Wilbert, 1995 | ||
| Porpostoma notatum | M¿bius, 1888 |