†phylum Ciliophora
Parent taxon: Alveolata according to M. A. Ruggiero et al. 2015
See also Kiessling 2003, Margulis 1996 and Sepkoski 2002
Subtaxa: Cadosina Calpionellida Colomisphaera Intramacronucleata Oligotrichea Polyhymenophora Stomiosphaera