NAPLES FAUNA IN WESTERN NEW YORK, PART 2 



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Dunkirk black shales 

 Not represented in eastern sections 



Silver creek shales underlain by Angola shales 



Representing the Gardeau (Westhill) and Hatch flags of the Genesee and Naples 



valleys 



Cephalopods Pteropods Gastropods 



Tornoceras bicostatum 

 Manticoceras rhynchostoma 

 M. sororium 

 Orthoceras thyestes 

 O. pacator 

 Gomphoceras ajax 

 Bactrites 



Lunulicardium libum 

 L. eriense 

 L. bickense 

 L. beushauseni 

 Pterochaenia fragilis 

 Posidonia attica 

 Loxopteria laevis 

 L. intumescentis 

 L. corrugata 

 Ontaria pontiaca 



CephalopocTs 

 Probeloceras lutheri 

 Gephyroceras holzapfeli 

 G. cf. domanicense 



Hyolithus neapolis Pleurotomaria itylus 



Phragmostoma chautauquae 

 Loxonema danai 

 Palaeotrochus praecursor 

 Callonema filosum 

 Diaphorostoma rotundatum 

 D. pugnus 



Lamellibranchs 



Euthydesma subtextile 

 Buchiola scabrosa 

 B. conversa 

 B. angolensis 

 B. cf. priimiensis 

 Praecardium vetustum 

 P. duplicatum 

 P. multicostatum 

 Palaeoneilo constricta 

 P. linguata 



Rhinestreet black shale 



No fossils recorded 



Cashaqua shales 



Lamellibranchs 

 Lunulicardium pilosum 

 Pterochaenia fragilis 

 P. elmensls 

 Buchiola retrostriata 

 B. lupina 

 Palaeoneilo petila 



Middlesex black shales 



Conodonts 

 Prioniodus spicatus 

 P. erraticus 

 Polygnathus dubius 



Upper Genesee shale 

 Genundewa (Styliola) limestone 



