University of the State of New York 



New York State Museum 



Frederick J. H. Merrill Director 

 John M. Clarke State Paleontologist 



Memoir 5 



GUELPH FAUNA IN THE STATE OF NEW YORK 



JOHN M. CLARKE and RUDOLF RUEDEMANN 



Preface 



Introduction .... 



Typical Guelph dolomites of 

 Ontario and their fauna - 

 Guelph fauna of New York and its 

 stratigraphic relations 

 Historical - 



Section of the dolomites at Shelby, 

 Orleans co. .... 

 Niagara county 

 Other manifestations in Orleans 



county - 

 Monroe county 



Wayne county ... - 

 Southern Ontario — the section at 

 Hamilton .... 

 Summary 



5 

 5 



9 

 13 



17 

 17 

 20 



20 



22 



Fauna of the Guelph dolomite in west- 

 ern New York - - - 23 

 Anthozoa .... 23 

 Hydrozoa ----- 36 

 Brachiopoda ... - 38 

 Lamellibranchiata - - - 47 

 Gastropoda - - - - 51 

 Cephalopoda 77 

 Annelida - 105 

 Ostracoda ----- 106 

 Trilobita - - - - 107 

 Synoptic list of Guelph fossils of New 



York ----- 109 



Conditions of life and sedimentation 114 



Distribution of the Guelph - - 122 



Explanation of plates - - - 139 



Index 187 



ALBANY 



UNIVERSITY OF THE STATE OF NEW YORK 

 I903 



