Ptychotrygon rugosa
(Case, Schwimmer, Borodin & Leggett, 2001)
Classification: Elasmobranchii Rajiformes Ptychotrygonidae
	Reference of the original description
	
	
A new selachian fauna from the Eutaw Formation (Upper Cretaceous/Early to Middle Santonian) of Chattahoochee County, Georgia. Palaeontographica, Abt. A, 261(4–6), 83–102
A new selachian fauna from the Eutaw Formation (Upper Cretaceous/Early to Middle Santonian) of Chattahoochee County, Georgia. Palaeontographica, Abt. A, 261(4–6), 83–102
	Types
Ptychotrygon rugosa
	
	
	
Ptychotrygon rugosa
Description:
Citation: Ptychotrygon rugosa (Case, Schwimmer, Borodin & Leggett, 2001): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2025
		Remarks
shark-references Species-ID=5417;
		
		shark-references Species-ID=5417;
		References
		
	
		
		
			
Global impact and selectivity of the Cretaceous-Paleogene mass extinction among sharks, skates, and rays. Science, 379, 802–806
DOI: 10.1126/science.abn2080
	
	

Global impact and selectivity of the Cretaceous-Paleogene mass extinction among sharks, skates, and rays. Science, 379, 802–806
DOI: 10.1126/science.abn2080
				
				
    					
    					
    					
    					
                        
    					







