430 



STRATIGRAPHICAL DISTRIBUTION OF 







LOWER DIVISION. 



FAMILIES, 

 GENERA, AND SPECIES. 







LlAi. 



InFERIOK OoIjITE. 



Great Oolite. 



Lower 

 Lias. 



Middle 

 Lias. 



Upper 

 Lias. 



Mnrchi- 

 3on<B zone. 



Huraphrie 

 sianus 

 zone. 



Parkinsoni 

 zone. 



Fuller's 

 Earth. 



Stonesfield 

 Slate. 



Great 

 Oolite. 



Bradford 

 Clay. 





Order OPHIUROIDEA. 























Fam. OphiukidjE. 

























Palseocoma Gaveyi, Wright . 





* 





















Milleri, Phillips 





# 





















Egertoni, Broderip 







* 



















tenuibrachiata, Forbes i 







* 



















Brodiei, Wright 







* 



















Murravii, Forbes . 











* 















Griesbachii, Wright 

























Order CRINOIDEA. 

























Fam. Pentacrinid^. 

























Pentacrinus tuberculatus. Miller . 



* 



... 



... 



















scalaris, Goldfuss . 



* 























basaltiformis, Miller 





* 





















Goldfussii, M'Coy . 





* 





















robustus, Wright , 





* 





















punctiferus, Quenstedt . 





* 





















Johnsonii, Justin . 







* 







... 







... 







dichotomus, M'Cog 







* 



















Phillipsii, Wright . 







* 



















Milleri, Austin 











* 















Austenii, Wright . 









* 

















subsulcatus, Goldfuss 





















* 





subteres, Goldfuss . 









... 













.* 





Extracrinus Briareus, Miller . 



* 























subangularis, Miller 



... 



* 













... 









