Concise hierarchy
	(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Charadriiformes - (Family) Alcidae
Original position
Subsequent positions
Current position
	Alternative positions
	
			Historical positions
			
				
					| Alcidae (Family) Vigors, 1825 | Ref: 
							
								E.C. Dickinson, 2003: 154. | 
					
						| Alcidae (Family) Vigors, 1825 | Ref: 
								
									B.C. Livezey & R.L. Zusi, 2007: 92. | 
						
							| Alcidae (Family) Vigors, 1825 | Ref: 
									
										J. van der Land, 2001: 375. | 
							
								| Alcinae (Subfamily) Vigors | Ref: 
										
											B.L. Monroe Jr. & C.G. Sibley, 1993: 115. | 
								
									| Alcidae (Family) Vigors, 1825 | Ref: 
											
												C.M. Perrins, 1991 (1990) | 
									
										| Alcidae (Family) Vigors, 1825 | Ref: 
												
													W.J. Bock, 1982: 986. | 
										
											| Alcidae (Family) Vigors, 1825 | Ref: 
													
														B. Grzimek et al., 1975 (1969): 566. | 
											
												| Anseres (Order) Linnaeus, 1758 | Ref: 
														
															C. a Linné, 1766: 118, 210. | 
												
													| Anseres (Order) Linnaeus, 1758 | Ref: 
															
																C. Linnaeus, 1758: 84, 130. | 
												
												Number of Subtaxa