OLENTANGY SHALE AND DEVONIAN DEPOSITS 477 



FAUNA 



Favosites billingsi, Zaphrentis prolifica, Fenestella sp., Atrypa 

 reticularis, Spirifer sp., Stropheodonta per plana 



Olentangy Shale 



10. Covered interval 6 o 



9. Limestone, soft, blue, very fossiliferous o 6 



FAUNA 



Autodetus lindstroemi, Spirorbis angulatus, Streblotrypa hamilto- 

 nensis, Fistulipora corrugatus ?, Hederella canadensis, Tremato- 

 spira sp., Chonetes deflectus, Crania hamiltonensis, Leiorhynchus 

 kelloggi, Leiorhynchus laura, Rhipidomella cyclas, Sprifer mucro- 

 natus, Stropheodonta demissa, Stropheodonta concava, Actinopteria 

 boydi, Aviculopecten fasciculatus , Glosseletina triquetra, Leiopteri 

 rafinesquii, Microdon bellistriatus, Modiomorpha subalata, 

 Mytalarca oviforme, Pterinea flabellum, Pterinopecten vertumnus, 

 Schizodus appressus, Tellinopsis subemarginata, Bembexia 

 sidcomarginata, Cyrtonella mitella, Pleurotomaria capillaria, Or- 

 thoceras sp., Bairdia devonica, Bollia sp., Bythocypris indianensis, 

 Primitiopsis punclulifera, Phacops rana, Fish plates 

 8. Shale, argillaceous, soft, blue 3 6 



FAUNA 



Chonetes deflectus, Chonetes setigerus, Crania crenistriata, 

 Leiorhynchus kelloggi, Spirifer mucronatus, Styliolina fissurella, 

 Bythocypris indianensis 

 7. Limestone, quite hard, blue o 6 



FAUNA 



Cystodictya hamiltonensis, Trematopora sp., Chonetes deflectus, 

 Leiorhynchus kelloggi, Leiorhynchus laura, Spirifer mucronatus, 

 Actinopteria boydi, Platyceras erectum, Phacops rana 

 6. Shale, soft, blue 5 o 



FAUNA 



Chonetes deflectus, Bythocypris indianensis 

 5. Limestone, blue, lower part shale, very fossiliferous o 6 



Ambocoelia umbonata, Chonetes deflectus, Leiorhynchus kelloggi, 

 Stropheodonta demissa, Cypricardinia indenta, Glyptocardia 

 speciosa, Grammy sia arcuata, Grammysia bellatula, Grammysia 

 bisulcata, Grammysia constricta, Modiomorphia subalata, Nucula 

 corbuliformis, Nuculites oblongatus, Nuculites triqueter, Nyassa 

 recta, Pholadella radiata, Schizodus appressus, Bellerophon lyra, 



