Concise hierarchy
	(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia
Phylogeny
	Defined by the most recent common ancestor (and all its descendants) of
	
	Generic clade
	
	Current position
	
		Alternative positions
		
					Historical positions
					
						
							| Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. | Src: 
									
										A. Otero et al., 2015: 612 (fig. 17).
									 [rough position] [indirect] | 
							
								| Dinosauriformes (Clade) Novas 1992, nom. cl. inval. | Src: 
										
											C.F. Kammerer et al., 2012(2011): 282 (fig. 4). | 
								
									| Dinosauriformes (Clade) Novas 1992, nom. cl. inval. | Src: 
											
												S.J. Nesbitt, 2011: 210, fig. 52. | 
									
										| Dinosauriformes (Clade) Novas 1992, nom. cl. inval. | Src: 
												
													P.C. Sereno, 2005: tables.php [8 Mar 2016]. | 
										
											| Archosauria (Clade) Cope 1869 [Gauthier & Padian 1985], nom. cl. inval. | Src: 
													
														R.V. Hill, 2005: fig. 5. | 
											
												| Dinosauriformes (Clade) Novas 1992, nom. cl. inval. | Src: 
														
															M.J. Benton, 2004: 7, 16-18, fig. 1.8A; table 2.1 (p. [26]). | 
												
													| Ornithodira (Clade) Gauthier 1986 | Src: 
															
																M.J. Benton, 1990: figs. 1.1, 1.5. | 
													
														| Archosauria (Superorder) Cope, 1869 | Src: 
																
																	R.L. Carroll, 1988: 621. | 
													
													Number of Subtaxa