Concise hierarchy
	(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Ardeiformes - (Family) Ardeidae
Original position
Subsequent positions
Current position
	Alternative positions
	
				Historical positions
				
					
						| Ardeinae (Subfamily) Leach, 1820 | Ref: 
								
									E.C. Dickinson, 2003: 87. | 
						
							| Ardeidae (Family) Leach, 1820 | Ref: 
									
										B.L. Monroe Jr. & C.G. Sibley, 1993: 129. | 
							
								| Ardeidae (Family) Leach, 1820 | Ref: 
										
											C.M. Perrins, 1991 (1990): 368. | 
								
									| Ardeidae (Family) Leach, 1820 | Ref: 
											
												W.J. Bock, 1982: 973.
											 [rough position] | 
									
										| Chordata (Phylum) Bateson, 1885 | Ref: 
												
													L. Margulis & K.V. Schwartz, 1982: 238.
												 [rough position] | 
										
											| Ardeinae (Subfamily) Leach, 1820 | Ref: 
													
														E. Mayr & G.W. Cottrell, 1979 | 
											
												| Ardeidae (Family) Leach, 1820 | Ref: 
														
															T.I. Storer et al., 1979 | 
												
													| Ardeidae (Family) Leach, 1820 | Ref: 
															
																B. Grzimek et al., 1973 (1968): 574. | 
													
														| Ardeidae (Family) Leach, 1820 | Ref: 
																
																	P. Brodkorb, 1963: 282. | 
														
															| Grallae (Order) Linnaeus, 1758 | Ref: 
																	
																		C. a Linné, 1766: 118, 233. | 
															
																| Grallae (Order) Linnaeus, 1758 | Ref: 
																		
																			C. Linnaeus, 1758: 84, 141.
																		 [new position] | 
															
															Number of Subtaxa