| Animalia (Kingdom) Linnaeus, 1758 | 
														Ref: 
															
																T. Rees et al., 2020: table 2 (p. 131).
															 | 
													
													
														| Ecdysozoa (Superphylum) Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997 | 
															Ref: 
																
																	M.A. Ruggiero et al., 2015b: table 2 (p. 42).
																 | 
														
														
															| Nematoida ([unranked]) Rudolphi, 1808 | 
																Ref: 
																	
																		M.J. Benton, 2015: fig. 1.6 (G. Edgecombe).
																	 [out of scope (coherent)] | 
															
															
																| Animalia (Kingdom) Linnaeus, 1758 | 
																	Ref: 
																		
																			Z.-Q. Zhang, 2013: 8.
																		 | 
																
																
																	| Animalia (Kingdom) Linnaeus, 1758 | 
																		Ref: 
																			
																				Z.-Q. Zhang, 2011: 10.
																			 | 
																	
																	
																		| Nematoida ([unranked]) Rudolphi, 1808 | 
																			Ref: 
																				
																					E.J. van Nieukerken, 2010: 152.
																				 | 
																		
																		
																			| Nematoida ([unranked]) Rudolphi, 1808 | 
																				Ref: 
																					
																						D. Grimaldi & M.S. Engel, 2005: table 3.1.
																					 | 
																			
																			
																				| Nematoida ([unranked]) Rudolphi, 1808 | 
																					Ref: 
																						
																							E.E. Ruppert et al., 2004: 770-772, figs. 9.26B, 22.35.
																						 | 
																				
																				
																					| Cycloneuralia ([unranked]) Nielsen, 1995 | 
																						Ref: 
																							
																								J. Bergström & X.-G. Hou, 2003: fig. 10; fig. 11.
																							 | 
																					
																					
																						| Nematoida ([unranked]) Rudolphi, 1808 | 
																							Ref: 
																								
																									K.J. Peterson & D.J. Eernisse, 2001: 172, [176]; 201.
																								 | 
																						
																						
																							| Introverta ([unranked]) Nielsen, 1995 | 
																								Ref: 
																									
																										C. Nielsen, 2001: 347-351, fig. 1.2.
																									 | 
																							
																							
																								| Nematoida ([unranked]) Rudolphi, 1808 | 
																									Ref: 
																										
																											G. Giribet et al., 2000: 551, tab. 2, fig. 4; tab. 1.
																										 | 
																								
																								
																									| Pseudocoelomata ([unranked]) | 
																										Ref: 
																											
																												L. Margulis & K.V. Schwartz, 1998: 244-245.
																											 | 
																									
																									
																										| Animalia (Kingdom) Linnaeus, 1758 | 
																											Ref: 
																												
																													1998
																												 | 
																										
																										
																											| Introverta ([unranked]) Nielsen, 1995 | 
																												Ref: 
																													
																														C. Nielsen, 1995
																													 | 
																											
																											
																												| Animalia (Kingdom) Linnaeus, 1758 | 
																													Ref: 
																														
																															1995
																														 | 
																												
																												
																													| Animalia (Kingdom) Linnaeus, 1758 | 
																														Ref: 
																															
																																M.A. Wills, 1993: 557.
																															 | 
																													
																													
																														| Animalia (Kingdom) Linnaeus, 1758 | 
																															Ref: 
																																
																																	R.C. Brusca & G.J. Brusca, 1990: 358-362; 4.
																																 | 
																														
																														
																															| Pseudocoelomates ([unranked]) Hyman, 1951 | 
																																Ref: 
																																	
																																		R.C. Brusca & G.J. Brusca, 1990: 48.
																																	 [alternative position] | 
																															
																															
																																| Nematelminthes (Midphylum) | 
																																	Ref: 
																																		
																																			E. Möhn, 1984
																																		 | 
																																
																																
																																	| Eumetazoa (Subkingdom) Butschli, 1910 | 
																																		Ref: 
																																			
																																				C.J. Swanson, 1982: 931.
																																			 | 
																																	
																																	
																																		| Pseudocoelomata ([unranked]) | 
																																			Ref: 
																																				
																																					L. Margulis & K.V. Schwartz, 1982: 198-199.
																																				 | 
																																		
																																		
																																			| Pseudocoelomata (Section) | 
																																				Ref: 
																																					
																																						T.I. Storer et al., 1979: 321.
																																					 |