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 | Spirotrichea | |
| Order | Tintinnida | |
| Family | Ptychocylididae | |
| Genus | Ptychocylis |
List of Individual Species - see Taxon profile using the name of the taxa.
| Ptychocylis ostenfeldi | Koifoid & Campbell, 1929 | ||
| Ptychocylis wailesi | Koifoid & Campbell, 1929 |