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STRATIGRAPHICAL DISTRIBUTION OF 



FAMILIES, 



LOWER DIVISION. 



GENERA, AND SPECIES. 



Lias. 



Inferior Oolite. 







Great Oolite. 



Lower 

 Lias. 



Middle 

 Lias. 



Upper 

 Lias. 



Murcbi- 

 sona? zone 



Huinpliric- 

 sianus 

 zone. 



Parkinson 

 zone. 



fuller's 

 Earth. 



Stouesfieli 

 Slate. 



Great 

 Oolite. 



Bradford 

 Clay. 





Order ASTEROIDEA. 



Fam. URASTERIDiE. 



Uraster Gaveyi, Forbes . 

 carinatus, Wright . 





# 





















Fam. Solasteriu^:. 

 Solaster Moretonis, Forbes 



















# 







Fam. GoniasteridjE. 

 Goniaster Hamptonensis, Wright . 

 obtusus, Wright 









# 











* 







Fam. Asterid.e. 

 Tropidaster pectinatus, Forbes 

 Astropecten Hasting6ise, Forbes 

 Orion, Forbes 

 Phillipsii, Forbes . 

 Leckenbyi, Wright 

 Scarburgensis, Wright . 

 Cotteswoldise, Buckman . 

 Wittsii, Wright 

 Forbesii, Wright . 

 clavseformis, Wright 

 rectus, M'Coy 

 Luidia Murchisorm, Williamson 

 Plumaster Opbinroides, Wright 



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