Concise hierarchy
	(Kingdom) Animalia - (Phylum) Chordata
Phylogeny
	Defined by the most recent common ancestor (and all its descendants) of
	
	Included, by definition, in node-based clade
	
	Current position
	
		Alternative positions
		
				Historical positions
				
					
						| Tetrapoda (Clade) Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. | Ref: 
								
									D.R. Frost et al., 2006: fig. 51.
								 [out of scope (coherent)] | 
						
							| Tetrapoda (Infraclass) Goodrich, 1930 | Ref: 
									
										J.S. Nelson, 2006: 467. | 
							
								| Tetrapoda (Clade) Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. | Ref: 
										
											R.V. Hill, 2005: fig. 5.
										 [rough position] [indirect] | 
								
									| Tetrapoda (Clade) Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. | Ref: 
											
												M.J. Benton, 2004: fig. 1.2.
											 [out of scope (coherent)] | 
									
										| Tetrapoda (Clade) Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. | Ref: 
												
													T. Rowe, 1988: fig. 1. | 
										
											| Tetrapoda (Clade) Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. | Ref: 
													
														R.L. Carroll, 1988: fig. 1.3. | 
										
										Number of Subtaxa