Ctenoptychius marginalis
Egerton, 1841 (nomen nudum)
Classification: Euchondrocephali Petalodontiformes Petalorhynchidae
	Reference of the original description
	
	
Catalogue of Fossil Fish in the Collections of the Earl of Enniskillen, F.G.S. and Sir Philip Grey Egerton, Bart., F.R.S. Annals and Magazine of Natural History, 7(46), 487–498
Catalogue of Fossil Fish in the Collections of the Earl of Enniskillen, F.G.S. and Sir Philip Grey Egerton, Bart., F.R.S. Annals and Magazine of Natural History, 7(46), 487–498
	Types
Ctenoptychius marginalis
	
	
	
Ctenoptychius marginalis
Description:
Citation: Ctenoptychius marginalis Egerton, 1841 (nomen nudum): 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=17546
		shark-references Species-ID=17546
		References
		
	
		
		
			
Report on the Geology of the County of Londonderry, and of Parts of Tyrone and Fermanagh. Memoirs of the Geological Survey of the United Kingdom, district mem. Geol. Surv. Ireland, Dublin, xxxi + 784 pp., A. Milliken, 1843, 784pp
	
	
		
		
			
Catalogue of Fossil Fish in the Collections of the Earl of Enniskillen, F.G.S. and Sir Philip Grey Egerton, Bart., F.R.S. Annals and Magazine of Natural History, 7(46), 487–498
	
	

Report on the Geology of the County of Londonderry, and of Parts of Tyrone and Fermanagh. Memoirs of the Geological Survey of the United Kingdom, district mem. Geol. Surv. Ireland, Dublin, xxxi + 784 pp., A. Milliken, 1843, 784pp

Catalogue of Fossil Fish in the Collections of the Earl of Enniskillen, F.G.S. and Sir Philip Grey Egerton, Bart., F.R.S. Annals and Magazine of Natural History, 7(46), 487–498
				
				
    					
    					
    					
    					
                        
    					







