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Chonetes mucronatus, Hall. 

 Chonetes scitulus, Hall. 

 Cranaena romingeri, Hall. 

 Crania crenistriata, Hall. 

 Craniella hamiltoniae, Hall. 

 Cyrtina hamiltonensis, Hall. 

 Delthyris consobrina (d'Orbigny.) 

 Eunella lincklaeni, Hall. 

 Leiorhynchus limitare ( Vanuxem.) 

 Leptaena rhomboidalis (Wilckens.) 

 Lingula ligea, Hall. 

 Pentamerella arata (Conrad.) 

 Pholidostrophia iowaensis (Owen.) 

 Rhipidomella vanuxemi, Hall. 

 Schizophoria striatula (Schlotheim.) 

 Spirifer divaricatus, Hall. 

 Spirifer macrus, Hall. 

 Stropheodonta concava, Hall. 

 Stropheodonta demissa (Conrad.) 

 Stropheodonta perplana (Conrad.) 



Pelecypods 



Actinopteria boydi (Conrad.) 

 Aviculopecten bellus (Conrad.) 

 Nyassa recta, Hall. 

 Paracyclas elliptica, Hall. 

 Paracyclas linata (Conrad.) 

 Schizodus appressus (Conrad.) 



Gastropods 



Bembexia sulcomarginata (Conrad.) 

 Platyceras erectum (Hall.) 

 Pleuronotus decewie (Billings. 



Pteropods 



Tentaculites scalariformis, Hall 



Cephalopods 



Centroceras ohioense (Meek.) 

 Gigantoceras inelegans (Meek.) 

 Orthoceras sp. 



Trilobites 



Proetus rowi (Green.) 



