Ptychodus cf. martini
Williston, 1900
Classification: Elasmobranchii incert. sedis Ptychodontidae
	Reference of the original description
	
	
Some fish teeth from the Kansas Cretaceous. Kansas University Quarterly, 9(1): 27–42, pl. 6–14.
Some fish teeth from the Kansas Cretaceous. Kansas University Quarterly, 9(1): 27–42, pl. 6–14.
	Types
Ptychodus cf. martini
	
	
	
Ptychodus cf. martini
Description:
Citation: Ptychodus cf. martini Williston, 1900: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2025
		Remarks
shark-references Species-ID=14272;
		
		shark-references Species-ID=14272;
		References
		
	
		
		
			
A new shark of the family Ptychodontidae from South America. University of California Publications in Geological Sciences, 28(8), 195–202
	
	

A new shark of the family Ptychodontidae from South America. University of California Publications in Geological Sciences, 28(8), 195–202
				
				
    					
    					
    					
    					
                        
    					







