Ptychotrygon cf. triangularis
(Reuss, 1845)
Classification: Elasmobranchii Rajiformes Ptychotrygonidae
	Reference of the original description
	
	
Die Versteinerungen der böhmischen Kreideformation. Mit Abbildungen der neuen oder weniger bekannten Arten. Abtheilung 1: 58 p., pl. 1–13. Stuttgart(Schweizerbart)
Die Versteinerungen der böhmischen Kreideformation. Mit Abbildungen der neuen oder weniger bekannten Arten. Abtheilung 1: 58 p., pl. 1–13. Stuttgart(Schweizerbart)
	Types
Ptychotrygon cf. triangularis
	
	
	
Ptychotrygon cf. triangularis
Description:
Citation: Ptychotrygon cf. triangularis (Reuss, 1845): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2025
		No image available.
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		Remarks
shark-references Species-ID=8111;
		
		shark-references Species-ID=8111;
		References
		
	
		
		
			
New sharks in a chondrichthyan fauna from the Upper Cretaceous Aguja Formation (lower Campanian) of West Texas support biogeographic segregation among chondrichthyans in the Western Interior. Cretaceous Research, 175, Article 106151
DOI: 10.1016/j.cretres.2025.106151
	
	
		
		
			
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
	
	

New sharks in a chondrichthyan fauna from the Upper Cretaceous Aguja Formation (lower Campanian) of West Texas support biogeographic segregation among chondrichthyans in the Western Interior. Cretaceous Research, 175, Article 106151
DOI: 10.1016/j.cretres.2025.106151

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
				
				
    					
    					
    					
    					
                        
    					







