†class Polyhymenophora
Parent taxon: Ciliophora according to J. J., Jr. Sepkoski 2002
Sister taxa: Cadosina, Calpionellida, Colomisphaera, Intramacronucleata, Oligotrichea, Stomiosphaera
Subtaxa: Savroniella
Distribution:
• Eocene of Ukraine (2 collections)
Total: 2 collections each including a single occurrence