6i 



West 



Quarry. 



North 

 Quarry 



Stropheodonta demissa (Conrad). . 



Stropheodonta hemispherica, Hall 



Stropheodonta perplana, (Conrad) 

 Pelecypoda — 



Aviculopecten princeps (Conrad). . 



Conocardium cuneus (Conrad). . . . 



Paracyclas elliptica, Hall 



Gastropoda — 



Platyceras carinatum, Hall 



Pleuronotus decewi (Billings) 



Pleurorema lucina (Hall) 



Pteropoda — 



Tentaculites scalariformis, Hall. . 

 Crustacea — ■ 



Coronura diurus (Green) 



Phacops cristata (Hall) 



Proetus rowi (Green) 



Fish — 



Onychodus sigmoides, Newberry. . . 



