1208 



NEW YORK STATE MUSEUM 



1 



Lower Coeymans 

 Middle Coeymans 

 Upper Coeymans 



Lower New Scotland 

 Middle New Scotland 

 Upper New Scotland 



Upper Becraft 

 Middle Becraft 

 Lower Becraft 



a a 



o o 

 Ph Ph 

 u u 



o a 



Oriskany at Rondout 

 Oriskany at Glenerie 



"8 



00 



a 



O 

 00 





r . . . . 



C . . . . 





c . . 







M. lata Hall 













M. lentiformis Clarke 











V C 

















Rensselaeria aequiradiata Conrad. . . 



, 













R. mutabilis Hall. 





. . . . r 











R. ovoides Eaton 







































V C 





Oriskania navicella Hall & Clarke. . . 



















































v r 





Actinopteria arenaria Hall 













A. textilis Hall 



r c . . 



c r r 











Aviculopecten rectirostra Hall. 











Cypricardinia lamellosa Hall 





























Megambonia crenistria Clarke 















M. sp.? 



c . . 













Pterinopecten proteus Clarke 





























C sp. nov 











v r 

 v c 

 v a 



V V 





Diaphorostoma desmatum Clarke. „ . 



1 









D. ventricosum Conrad 













Orthonychia tortuosa Hall 













Platyceras gebhardi Hall 













P. lamellosum Hall 















P. nodosum Conrad 















P. pernodosum sp. nov 











. r 





P. platystoma Hall 











. r 





P. reflexum Hall 











. . c 





P. sp.? 





■ ■ i 



• 









Platyostoma sv.? 





r r - 









Strophostvlus expansus Conrad 















Spirorbis assimilis Clarke 











. . r 





Tentaculites elongatus Hall 









C V 



v c 





Cyrtoceras small sp.? 





r . . 







Orthoceras sp.? 



r . . 









. . r 





Isochilina sp. ? 





ace 







. . c 





Cirripede? 









. r 





Acidaspis tuberculata Conrad 



r . 



r c . . 





C V 







Bronteus barrandii Hall 











Dalmanites micrurus Green 



r c . 













D. pleuroptyx Green 



c . . . . 



c r r 





V V 



. . c 



v c 



. . r 





D. stemmatus Clarke 





Homalonotus major Whitfield 













H. vanuxemi Hall 









V V 

 C V 







Phacops logani Hall 



c . . . . 



c r . . 



. . r . . 



v r 



v . . 





Proetus conradi Hall 





P. protuberans Hall 



c . . 











Proetus sp.1 



. r 











Machaeracanthus sulcatus Newberry 

 Spirophyton caudagalli Vanuxem „ . . 











. . r 













. . c 



a, 

















