DEVONIAN SYSTEM : PLATEAU LIMESTONE. 



203 



Padaukpin Fauna — continued. 



ASIA. 



N. America. 



Australia. 



Remarks. 



Western. 



Central. 



Eastern. 



Armenia. 



N. Persia. 



Hindu Kush. 



Turkestan. 



Tian Shan. 



Kuen Lun. 



Siberia. 



Se Tchouan. 



Yunnan. 



Kwang-si. 



























of. B. giganleum 



























Lesueur, Mid. Dev. 











X 







































X 





Onondaga Limest. 





















































Mid. Dev. 















X 















X 



























X 









X 













X 







