PALEOBIOGEOGRAPHY OF THE MARINE REALM 



171 



> 



u 



u 





c .ii t: 13 



W 



12 



O 



,ii S^ 



a; OJ 



-a 

 o 



o 



•T3 



__ O 



U 



< 



> 



r^ :> 



_^ 03 



biO c 



< 



o! 03 



c o 



O 



-p ^ f^ s 



c c 



^ bfi 03 

 .ti O <" U 



bC C o rt -C •— o. 



O (u -13 



= o 



03 p; 





o! 



e 



d 



