106 POTTSVILLE FAUNA OF OHIO 



Parallelodon carbonarius (Cox) 

 Parallelodon sangamonensis (Worthen) 

 Parallelodon tenuistriatus (Meek and Worthen) 

 Myalina pernaformis Cox 

 Aviculopecten coxanus Meek and Worthen 

 Deltopecten scalaris (Herrick) 

 Acanthopecten carboniferous (Stevens) 

 Entolium aviculatus (Swallow) 

 Pleurophorus tropidophorus Meek 



Sphaerodoma sp. 



Phillipsia trinucleata Herrick 



FOSSILS FROM THE BLACK CARBONACEOUS SHALE BELOW THE LIMESTONE 



Crinoid segments and plates 

 Rhombopora lepidodendroidea Meek 



Derbya crassa (Meek and Hayden) 

 Chonetes mesolobus Norwood and Pratten 

 Productus cor a d'Orbigny 

 Productus semireticulatus (Martin) 

 Pustula nebraskensis (Owen) 

 Spirifer opimus Hall 



In the southeastern part of Cass Township, flinty limestone out- 

 crops in the roadbed on land of J. F. Shaw, three miles southeast of 

 Frazeysburg, from which the following fossils were obtained (Locality 

 43): ' 



Fusulina secalica (Say) 

 Crinoid segments 



Fenestella limbata Foerste 

 Cystodictya carbonaria (Meek) 

 Prismopora sereata (Meek) 



Derbya crassa (Meek and Hay den) 



Chonetes mesolobus Norwood and Pratten 



Productus cora d'Orbigny 



Productus semireticulatus (Martin) 



Pustula nebraskensis (Owen) 



Marginifera muricata var. missouriensis Girty 



Marginifera wabashensis (Norwood and Pratten) 



Spirifer opimus Hall 



Squamularia perplexa (McChesney) 



Composita subtilita (Hall) 



Samples of flinty limestone containing fossils were collected from 

 a small ravine on the southwest side of the road, about one-half mile' 

 south of Locality 43 (Locality 69). The following- species were found: 



Textularia sp. 



