12 





Lower 

 Cambrian 



Middle 

 Cambrian 



Upper 

 Cambrian 



C 



C 

 rt 

 Jl 



Shan-si 



Shen-si 



Liau-tung 







X 





^ 









? bt'Ienus 





X 

















X 













L. cfr. hufd 





X 







X 







L sp. undt. 





X 



X 















X 











X 







X 



X 









X 



S. chaJcon 





X 











X 



iutct'iJUtii I 





X 













S. J^iiHpcyiitix 





X 







X 







S. sp. undt. 





X 











X 



C hliClll^iiX battel 







X 











C , fyci^vteuitx 







X 



V 









C , ikiis 







X 



V 















X 















X 













I^I, tICillltJtUS 





X 





V 













X 













J\/, acis 





X 





V 













X 





v 













X 





v 









J\F, ? ft^ss ^/ ^ 







X 



A\ 









J\I, ? sp. undt. 





X 





A 









J^ez'isici fidyiisiici 





X 





X 









L. agenor 





X 





X 









Piyclias/'is ncniniis 







X 



X 









F. baiibo 







X I 



X 









P. bella 







X i 



1 





X 







P. brizfl 







X 



X 









P. CiUIIS 







X 



X 









