X90 THE AMERICAN MIDLAND NA*rURAtIS¥ 



Bellerophon sp. 



Straparollus cf. cyclostamus Hall 

 Ceneostoma sps. 

 Pleurotomaria sp. 

 Diaphorostoraa lineatum (Con.) 

 Floydia concentrica Webster 

 Naticopsis gigantea H. & W. 

 Westernia crassa Webster 

 Westernia owensis Webster 

 Westernia gigantea Webster 



FossiivS OF THE vSpirifer Zone- 



PLANTAE 



"Fucoids," three or more species. 

 ANIMALES 

 Porifera 



Cliona hackberryensis Thomas 



Cliona sp. 

 Coelenterata 

 Anthozoa 



Zaphrentis solida H. & W. 



Cyathophyllum n. sp. 



Charactophyllum nanum (H. & W.) 



Heliophyllum cf. scrutarium Clarke & Swartz. 



Chonophyllum ellipticum H. & W. 



Chonophyllum n. sp. 



Strombodes johanni (H. & W.) 



Strombodes johanni multiradiatus (H. & W.) 



Pachyphyllum woodmani (White) 



Pachyphyllum woodmani cf. gregarium Webster 



Pachyphyllum crassicostatum Wei ster 



Pachyphyllum ordinatum Wehster 



Pachyphyllum crassum Webster 



Pachyphyllum n. sp. 



Macgeea solitaria (H. & W.) 



Macgeea parva Webster 



Macgeea culmula Wet ster . 



Acervularia inequalis H. & \A'. 



Acervularia n. sp. 



Acervularia profunda Hall 



