Classification
(master taxon) [(master rank)]Protoctista [kingdom]
Ciliophora [phylum]
Kinetofragminophora [class]
Gymnostomata [subclass]
Subclassis Gymnostomata bevat de volgende taxa:
Cyclotrichida [order]
Karyorelictida [order]
Pleurostomatida [order]
Prostomatida [order]
Spathidiida [order]