Concise hierarchy
	(Kingdom) Chromista - (Phylum) Opalozoa - (Class) Bicosoecophyceae - (Order) Bicosoecales - (Family) Pseudodendromonadaceae
Subsequent positions
Current position
	Alternative positions
	
						Historical positions
						
							
								| Pseudodendromonadidae (Family) Patterson & Zölffel, 1991 | 
									Ref: 
										
											T. Cavalier-Smith & J.M. Scoble, 2013(2012): table 1 (p. 333).
										 | 
								
								
									| Bicosoecida ([unranked]) Grassé, 1926, orth. zool. | 
										Ref: 
											
												S.M. Adl et al., 2005: 425.
											 | 
									
									
										| Pseudodendromonadaceae (Family) D.J. Patt. & Zölffel (1991) | 
											Ref: 
												
													J. Kristiansen & H.R. Preisig, 2001: 11.
												 | 
										
										
											| Pseudodendromonadida (Order) Hibberd, 1985 | 
												Ref: 
													
														D.J. Patterson et al., 2000: 1322.
													 | 
											
											
												| pseudodendromonads ([unranked]) | 
													Ref: 
														
															D.J. Patterson, 1999: S114.
														 | 
												
												
													| Isomita (Subphylum) Cavalier-Smith, 1997 | 
														Ref: 
															
																T. Cavalier-Smith, 1998: table 3 (p. 232).
															 [rough position] | 
													
													
														| Amphimonadaceae (Family) | 
															Ref: 
																
																	R.E. Norris, 1982: 88.
																 | 
														
													
													Number of Subtaxa