Helodus appendiculatus
M'Coy, 1848
Classification: Holocephali Helodontiformes Helodontidae
	Reference of the original description
	
	
On some new fossil fish of the Carboniferous period. Annals and Magazine of Natural History, (Series 2), 2, 1–10; 115–133
On some new fossil fish of the Carboniferous period. Annals and Magazine of Natural History, (Series 2), 2, 1–10; 115–133
	Types
Helodus appendiculatus
	
	
	
Helodus appendiculatus
Description:
Citation: Helodus appendiculatus M'Coy, 1848: 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=12252;
		
		shark-references Species-ID=12252;
		References
		
	
		
		
			
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1
	
	
		
		
			
The stem-holocephalan Helodus (Chondrichthyes; Holocephali) and the evolution of modern chimaeroid dentitions. In: Ancient Fishes and their Living Relatives: a Tribute to John G. Maisey. Alan Pradel, John S. S. Denton & Philippe Janvier (eds.): pp. 205-214, Verlag Dr. Friedrich Pfeil, München, Germany
	
	
	
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, 50(2), 271–284
DOI: 10.1017/pab.2024.1

The stem-holocephalan Helodus (Chondrichthyes; Holocephali) and the evolution of modern chimaeroid dentitions. In: Ancient Fishes and their Living Relatives: a Tribute to John G. Maisey. Alan Pradel, John S. S. Denton & Philippe Janvier (eds.): pp. 205-214, Verlag Dr. Friedrich Pfeil, München, Germany
				
				
    					
    					
    					
    					
                        
    					








