Ptychodus cf. rugosus
Dixon, 1850
Classification: Elasmobranchii incert. sedis Ptychodontidae
	Reference of the original description
	
	
The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex. 469 p., 16 fig., 45 pl.
The Geology and Fossils of the Tertiary and Cretaceous Formations of Sussex. 469 p., 16 fig., 45 pl.
	Types
Ptychodus cf. rugosus
	
	
	
Ptychodus cf. rugosus
Description:
Citation: Ptychodus cf. rugosus Dixon, 1850: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2025
		Remarks
shark-references Species-ID=12019;
		
		shark-references Species-ID=12019;
		References
		
	
		
		
			
Selachians from the Niobrara Formation of the Upper Cretaceous (Coniacian) of Carrot River, Saskatchewan, Canada. Canadian Journal of Earth Sciences, 27, 1084–1094
DOI: 10.1139/e90-112
	
	

Selachians from the Niobrara Formation of the Upper Cretaceous (Coniacian) of Carrot River, Saskatchewan, Canada. Canadian Journal of Earth Sciences, 27, 1084–1094
DOI: 10.1139/e90-112
				
				
    					
    					
    					
    					
                        
    					







