68 POTTSVILLE FAUNA OP OHIO 



Pharkidonotus percarinatus (Conrad) 



Bucanopsis meekiana (Swallow) 



Patellostium montfortianum (Norwood and Pratten) 



Euphemus carbonarius (Cox) 



Euphemus nodocarinatus (Hall) 



Trepospira depressa (Cox) 



Pleurotomaria ornatiformis n. sp.? 



Schizostoma catilloides (Conrad) 



Naticopsis nanus (Meek and Worthen) 



Sphaerodoma klipparti (Meek) 



Pseudorthoceras knoxense (McChesney) 



. Phillipsia sangamonensis Meek and Worthen 

 Philb'psia trinucleata Herrick 



In the northern part of Cass Township, Section 5, a small collec- 

 tion of fossils was made from outcrops in the ravine east of the north 

 and south road about one mile south of the Muskingum County line 

 (Locality 44) : 



Fusulina secalica (Say) 

 Crinoid segments 



Fenestella limbata Foerste , 



Rhombopora lepidodendroidea Meek 



Derbya crassa (Meek and Hayden) 



Chonetes mesolobus Norwood and Pratten 



Productus semireticulatus (Martin) 



Pustula nebraskensis (Owen) 



Marginifera muricata var. missouriensis Girty 



Marginifera wabashensis (Norwood and Pratten) 



Spiriferina kentuckyensis (Shumard) 



Spirifer opimus Hall 



Parallelodon tenuistriatus (Meek and Worthen) 

 Parallelodon carbonarius (Cox) 

 Aviculopecten coxanus Meek and Worthen 

 Deltopecten occidentalis (Shumard) 

 Acanthopecten carboniferous (Stevens) 

 Crenipecten foerstii Herrick 

 Entolium aviculatus (Swallow) 

 Lima retifera Shumard 

 Posidonia ? acosta (Cox) ? 

 Pleurophorus tropidophorus Meek 

 Astartella newberryi Meek 

 Astartella varica McChesney 

 Cypricardinia ? carbonaria Meek 



Pharkidonotus percarinatus (Conrad) 



In Jackson Township excellent exposures of Lower Mercer lime- 

 stone are present in the vicinity of Fan-view School, three miles north- 



