Concise hierarchy
	(Kingdom) Animalia - (Phylum) Chordata - (Class) Mammalia - (Order) Cetartiodactyla
Included, by definition, in node-based clade
Subsequent positions
Original entries
	
		| Questionably Aepycerotinae (Subfamily) Gray, 1872 |  | 
		 | 
	
	
		| Questionably Alcelaphinae (Subfamily) Rochebrune, 1883 |  | 
		 | 
	
	
		| Questionably Antilopinae (Subfamily) Gray, 1821 |  | 
		 | 
	
	
		| Questionably Bovinae (Subfamily) Gray, 1821 |  | 
		 | 
	
	
		| Questionably Caprinae (Subfamily) Gray, 1821 |  | 
		 | 
	
	
		| Questionably Cephalophinae (Subfamily) Gray, 1872 |  | 
		 | 
	
	
		| Questionably †Damalacra (Genus) Hendey, 1981 |  | 
		 | 
	
	
		| Questionably †Fenhoryx (Genus) Pei, 1958 |  | 
		 | 
	
	
		| Questionably †Hanhaicerus (Genus) Huang, 1985 |  | 
		 | 
	
	
		| Questionably Hippotraginae (Subfamily) Retzius & Lovén, 1845 |  | 
		 | 
	
	
		| Questionably †Hypsodontinae (Subfamily) Köhler, 1987 |  | 
		 | 
	
	
		| Questionably †Hypsodontus (Genus) Sokolov, 1949 |  | 
		 | 
	
	
		| Questionably †Kabulicornis (Genus) Heintz & Thomas, 1981 |  | 
		 | 
	
	
		| Questionably †Kubanotragus (Genus) Gabunia, 1973 |  | 
		 | 
	
	
		| Questionably †Namibiomeryx (Genus) Morales, Soria & Pickford, 1995 |  | 
		 | 
	
	
		| Questionably Neotraginae (Subfamily) Sclater & Thomas, 1894 |  | 
		 | 
	
	
		| Questionably †Parabubalis (Genus) Gromova, 1931 |  | 
		 | 
	
	
		| Questionably Peleini (Tribe) Gray, 1872 |  | 
		 | 
	
	
		| Questionably †Pontoceros (Genus) Vereshchagin, Alekseeva, David & Baigusheva, 1969 |  | 
		 | 
	
	
		| Questionably †Procobus (Genus) Khomenko, 1913 |  | 
		 | 
	
	
		| Questionably †Prodamaliscus (Genus) Schlosser, 1904 |  | 
		 | 
	
	
		| Questionably †Pseudoeotragus (Genus) van der Made, 1989 |  | 
		 | 
	
	
		| Questionably †Pseudotraginae (Subfamily) Schlosser, 1904 |  | 
		 | 
	
	
		| Questionably Reduncinae (Subfamily) Lydekker & Blaine, 1914 |  | 
		 | 
	
	
		| Questionably Saiginae (Subfamily) Gray, 1872 |  | 
		 | 
	
	
		| Questionably †Samodorcas (Genus) Bouvrain & de Bonis, 1985 |  | 
		 | 
	
	
		| Questionably †Shaanxispira (Genus) Liu, Li & Zhai, 1978 |  | 
		 | 
	
	
		| Questionably †Torticornis (Genus) Dmitrieva, 1977 |  | 
		 | 
	
	
		| Questionably Tragelaphinae (Subfamily) Jerdon, 1874 |  | 
		 | 
	
	
		| Questionably †Vishnumeryx (Genus) Pilgrim, 1939 |  | 
		 | 
	
Current position
	Alternative positions
	
				Historical positions
				
					
						| Pecora (Infraorder) Linnaeus, 1758 | 
							Ref: 
								
									C.J. Burgin et al., 2020: table 2 (p. 27).
								 | 
						
						
							| Ruminantia (Infraorder) Scopoli, 1777 | 
								Ref: 
									
										M.J. Benton, 2015: 445.
									 | 
							
							
								| Artiodactyla (Order) Owen, 1848 | 
									Ref: 
										
											D.E. Wilson & D.M. Reeder, 2011: 59.
										 | 
								
								
									| Ruminantia (Infraorder) Scopoli, 1777 | 
										Ref: 
											
												M.J. Benton, 2005: 402.
											 | 
									
									
										| Bovoidea (Superfamily) Gray, 1821 | 
											Ref: 
												
													M.C. McKenna & S.K. Bell, 1997: 434-435.
												 | 
										
										
											| Artiodactyla (Order) Owen, 1848 | 
												Ref: 
													
														1995
													 | 
											
											
												| Artiodactyla (Order) Owen, 1848 | 
													Ref: 
														
															P. Grubb, 1993: 393; 6.
														 | 
												
												
													| Artiodactyla (Order) Owen, 1848 | 
														Ref: 
															
																G.B. Corbet & J.E. Hill, 1991: 130.
															 | 
													
													
														| Bovoidea (Superfamily) Gray, 1821 | 
															Ref: 
																
																	R.L. Carroll, 1988: 642.
																 | 
														
														
															| Pecora (Infraorder) Linnaeus, 1758 | 
																Ref: 
																	
																		A.F. DeBlase, 1982: 1061.
																	 | 
															
															
																| Pecora (Infraorder) Linnaeus, 1758 | 
																	Ref: 
																		
																			T.I. Storer et al., 1979
																		 | 
																
																
																	| Pecora (Infraorder) Linnaeus, 1758 | 
																		Ref: 
																			
																				B. Grzimek, 1973-1975
																			 | 
																	
																	
																		| Bovoidea (Superfamily) Gray, 1821 | 
																			Ref: 
																				
																					G.G. Simpson, 1945
																				 | 
																		
																	
																	Number of Subtaxa