Concise hierarchy
	(Kingdom) Chromista - (Phylum) Ochrophyta - (Family) Ciliophryaceae
Subsequent positions
Current position
	Alternative positions
	
					Historical positions
					
						
							| Pedinellales (Order) Zimmermann et al. (1984) | Ref: 
									
										S.M. Adl et al., 2005: 427. | 
							
								| Actinochrysea (Class) Caval.-Sm. (1995) | Ref: 
										
											T. Cavalier-Smith, 2004: table 4.1 (p. 77).
										 [rough position] | 
								
									| Pedinellaceae (Family) Pascher (1910) | Ref: 
											
												J. Kristiansen & H.R. Preisig, 2001: 10. | 
									
										| Ciliophryida (Order) Febvre-Chevalier, 1985, orth. zool. | Ref: 
												
													K.A. Mikrjukov & D.J. Patterson, 2001: 15.
												 [indirect] | 
										
											| heliomonads ([unranked]) D.J. Patterson, 2001 | Ref: 
													
														D.J. Patterson, 2001: 21.
													 [new position] | 
											
												| Actinophryidae (Family) Dujardin, 1841 | Ref: 
														
															K.A. Mikrjukov & D.J. Patterson, 2001: 8.
														 [excluded] | 
												
													| Actinomonadidae (Family) Kent, 1880, orth. zool. | Ref: 
															
																Ø. Moestrup, 2000: 782.
															 [indirect] | 
													
														| Ciliophryaceae (Family) Poche (1913) | Ref: 
																
																	T. Cavalier-Smith et al., 1995
																 [new position] | 
														
															| Actinopoda (Phylum) Calkins, 1902 | Ref: 
																	
																		L. Margulis & K.V. Schwartz, 1982: 104.
																	 [rough position] | 
														
														Number of Subtaxa