Ctenacanthus varians
St. John & Worthen, 1875
Classification: Elasmobranchii Ctenacanthiformes incert. fam.
	Reference of the original description
	
	
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488
	Types
Ctenacanthus varians
	
	
	
Ctenacanthus varians
Description:
Citation: Ctenacanthus varians St. John & Worthen, 1875: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2025
		Remarks
shark-references Species-ID=1698;
		
		shark-references Species-ID=1698;
		References
		
	
		
		
			
Studies on the Paleozoic selachian genus Ctenacanthus Agassiz. No. 1, Historical review and revised diagnosis of Ctenacanthus, with a list of referred taxa. American Museum Novitates, 2718, 1–22
	
	
		
		
			
Some Carboniferous cestraciont and acanthodian sharks. Bulletin of the Museum of Comparative Zoology at Harvard College, 39(3), 55–99
	
	
		
		
			
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488
	
	
Studies on the Paleozoic selachian genus Ctenacanthus Agassiz. No. 1, Historical review and revised diagnosis of Ctenacanthus, with a list of referred taxa. American Museum Novitates, 2718, 1–22
Some Carboniferous cestraciont and acanthodian sharks. Bulletin of the Museum of Comparative Zoology at Harvard College, 39(3), 55–99

Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488
				
				
    					
    					
    					
    					
                        
    					








