Mercer Limestone in Newark-Zanesville Region 283 



The following fossils were collected from the Mercer limestone 

 at this old coal drift: 



Fenestella shuynardi Prout 



Orbiculoidea convexa (Shumard) 

 Orthothetes crassus (Meek and Hayden) 

 Chonetes mesolobus Norwood and Pratten 

 Productus cor a d'Orbigny 

 Productus longispinus Sowerby 

 Productus nehraskensis Owen 

 Spirifer rockymontanus Marcou 

 Reticularia perplexa (McChesney) 

 Sernimda argentea (Shepard) 



Parallelodo7i tenuistriatus Meek and Worthen 

 Parallelodon ohsoletus Meek 

 Avicidopecten herzeri Meek 

 Acanthopecten carhoniferus (Stevens) 

 Pecten (Entolium) aviculatus (Swallow) 

 Entolium attenuatuni Herrick 

 Pleurophorus tropidophorus Meek 

 Pleurophorus ohiongus Meek 

 Astartella vera Hall 

 Astartella newherryi Meek 

 Astartella varica McChesney 



Bellerophon percarinatus Conrad 



Euphemus carhonarius (Cox) 



Bucanopsis marcouana Geinitz 



Bucanopsis montfortiayia Norwood and Pratten 



Crinoid segments 



Limestone Hollow. About three-quarters of a mile southeast 

 of the cannel coal mine and just east of the road that leads south 

 past the Fairview School, is a gully called Limestone Hollow 

 where the entire thickness of the Mercer limestone may be seen. 

 The section measured here is as follows : 



