DEVONIAN SYSTEM : PLATEAU 



LIMESTONE. 



221 



Padaukpin Fauna — continued. 



ASIA. 



Western. 



3 



p 



C 



Central. 



a 



p 



c 



a> 

 P 





C 







cS 





P 





o 







en 



.1 c 





o 







Eastern. 



Remarks. 



bp 



3 



is 



W 



t-3 



M 

 H 



<1 



afT. P. adnata Hall, Up. 

 Helderberg Group. 



cf. S. scutulata Hall, 

 Hamilton Group. 



S. inter strialts, Lower 

 and Mid. Dev., Europe ; 

 afT. S. concava Hall, 

 Hamilton Group ; S. 

 hcrcynica Barrpis, Lr. 

 Dev., N. France. 



S. subtetnujona, Calceola 

 St., Eifel. 



