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 |
List of all species - see Taxon profile using the number
| Genus Ptychocylis | ||||
| Ptychocylis ostenfeldi | Koifoid & Campbell, 1929 | |||
| Ptychocylis wailesi | Koifoid & Campbell, 1929 | |||