Orthacanthus quadriseriatus
Cope, 1877
Classification: Elasmobranchii Xenacanthiformes Diplodoselachidae
	Reference of the original description
	
	
Descriptions of extinct Vertebrata from the Permian and Triassic formations of the United States. Proceedings of the American Philosophical Society, 17, 182–193
Descriptions of extinct Vertebrata from the Permian and Triassic formations of the United States. Proceedings of the American Philosophical Society, 17, 182–193
	Types
Orthacanthus quadriseriatus
	
	
	
Orthacanthus quadriseriatus
Description:
Citation: Orthacanthus quadriseriatus Cope, 1877: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2025
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		Remarks
shark-references Species-ID=10105;
synonym of Pleuracanthus quadriseriatus after Hussakof (1911) p. 158 [9299];
		
		shark-references Species-ID=10105;
synonym of Pleuracanthus quadriseriatus after Hussakof (1911) p. 158 [9299];
		References
		
	
		
		
			
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1
	
	
		
		
			
Systematic catalogue of the species of Vertebrata found in the beds of the Permian epoch in North America, with notes and descriptions. Transactions of the American Philosophical Society, 16, 285–297
	
	
		
		
			
Catalogue of Vertebrata of the Permian formation of the United States. American Naturalist, 15, 162–164
	
	
		
		
			
Descriptions of extinct Vertebrata from the Permian and Triassic formations of the United States. Proceedings of the American Philosophical Society, 17, 182–193
	
	
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1

Systematic catalogue of the species of Vertebrata found in the beds of the Permian epoch in North America, with notes and descriptions. Transactions of the American Philosophical Society, 16, 285–297

Catalogue of Vertebrata of the Permian formation of the United States. American Naturalist, 15, 162–164

Descriptions of extinct Vertebrata from the Permian and Triassic formations of the United States. Proceedings of the American Philosophical Society, 17, 182–193
				
				
    					
    					
    					
    					
                        
    					








