| Protostomia ([unranked]) Grobben, 1908 | 
											Ref: 
												
													M.J. Benton, 2015: fig. 1.6 (G. Edgecombe).
												 [out of scope (coherent)] | 
										
										
													| Bilateria ([unranked]) Hatschek, 1888 | 
														Ref: 
															
																M.J. Benton, 2005: 2.
															 [out of scope (coherent)] | 
													
													
														| Animalia (Kingdom) Linnaeus, 1758 | 
															Ref: 
																
																	D. Grimaldi & M.S. Engel, 2005: table 3.1.
																 [implicit] | 
														
														
															| Eubilateria ([unranked]) Ax, 1987 | 
																Ref: 
																	
																		J. Baguñà & M. Riutort, 2004: 1052.
																	 [new position] | 
															
															
																			| Bilateria ([unranked]) Hatschek, 1888 | 
																				Ref: 
																					
																						G. Giribet et al., 2000: 544, 551, 557, tab. 2, fig. 4.
																					 |