428 



STRATIGRAPHICAL DISTRIBUTION OF 





LOWER DIVISION. 





FAMILIES, 

 GENERA, AND SPECIES. 





Lias. 



Inferior Oolite. 



Great Oolite. 





Lower 

 Lias. 



Middle 

 Lias. 



Upper 

 Lias. 



Murcbi- 

 souee zone. 



Humphrie- 

 sianus 

 zone. 



Parkin soni 

 zone. 



fuller's 

 Eai-th. 



Stonesfield 

 Slate. 



Great 

 Oolite. 



Bradford 

 Clay. 





Order ASTEROIDEA. 

























Fam. Urasterib^. 

























Uraster Gaveyi, Forbes . 





# 





















carinatus, Wright . 





* 





















Fam. SolasteriujE. 

























Solaster Moretonis, Forbes 



















* 







Fam. GONIASTERID^. 

























Goniaster Hamptonensis, Wright . 



















* 







obtusus, Wright . 









* 

















Fam. AsTERiD.^:. 

























Tropidaster pectinatus, Forbes 





* 





















Astropecten Hastingsise, Forbes 





* 





















Orion, Forbes 





* 





















Phillipsii, Forbes . , . 





* 





















Leckenbyi, Wright 











* 















Scarburgensis, Wright . 











* 









. 







Cotteswoldise, Buckman . 

















* 





1 





Wittsii, Wright . 

















* 









Forbesii, Wright . 

















* 









clavseformis, Wright 























rectus, M'Coy 























Luidia Murchisonii, Williamson 





# 



















Plumaster Opbinroides, Wright 



* 





















