Tanaodus polymorphus
St. John & Worthen, 1875
Classification: Euchondrocephali Petalodontiformes Petalodontidae
	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
Tanaodus polymorphus
	
	
	
Tanaodus polymorphus
Description:
Citation: Tanaodus polymorphus 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=9212;
		
		shark-references Species-ID=9212;
		References
		
	
		
		
			
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1
	
	
		
		
			
Handbook of Paleoichthyology, Vol. 3D: Chondrichthyes Paleozoic Elasmobranchii: Teeth Verlag Dr. Friedrich Pfeil, pp. 168, 154 fig., 4 Tab.
	
	
		
		
			
Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868
	
	
		
		
			
Palaeontolgoy of Illinois. Descriptions of fossil fishes. Geological Survey of Illinois, 6, 245–488
	
	
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1

Handbook of Paleoichthyology, Vol. 3D: Chondrichthyes Paleozoic Elasmobranchii: Teeth Verlag Dr. Friedrich Pfeil, pp. 168, 154 fig., 4 Tab.

Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868

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








