'80 POTTSVILLE FAUNA OF OHIO 



Orbiculoidea meekana (Whitfield) . 



Derbya crassa (Meek and Hayden) 



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 cameratus Morton 



Spirifer opimus Hall 



Squamularia perplexa (McChesney) 



Composita subtilita (Hall) 



Crenipecten foerstii Herrick 

 FOSSILS FROM THE BLACK, CARBONACEOUS SHALE ABOVE THE LIMESTONE 



Crinoid segments 



Orbiculoidea meekana (Whitfield) 



Derbya crassa (Meek and Hayden) 



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) 



Rhipidomella pecosi (Marcou) 



Spiriferina kentuckyensis (Shumard) 



Spirifer cameratus Morton 



Spirifer opimus Hall 



Squamularia perplexa (McChesney) 



Composita subtilita (Hall) 



Parallelodon carbonarius (Cox) 



Parallelodon obsoletus (Meek) 



Parallelodon tenuistriatus (Meek and Worthen) 



Aviculopecten coxanus Meek and Worthen 



Acanthopecten carboniferous (Stevens) 



Entolium aviculatus (Swallow) 



Allerisma terminale Hall 



Pleurophorella costata (Meek and Worthen) 



Pleurophorus tropidophorus Meek 



Astartella varica McChesney 



Astartella concentrica (Conrad) 



Plagioglypta meekana (Geinitz) 



Pharkidonotus percarinatus (Conrad) 

 Euphemus nodocarinatus (Hall) 

 Phanerotrema grayvillense (Norwood and Pratten) 

 Pleurotomaria carbonaria Norwood and Pratten 

 Pleurotomaria newportensis White 

 Schizostoma catilloides (Conrad) 

 Naticopsis nanus (Meek and Worthen) 

 Naticopsis pulchella n. sp. 



