CALCAREOUS ALGAE OF THE MIDDLE EAST 



9i 



Trinocladus, an extinct dasyclad; 

 distribution showing relict — 

 occurrence in the Palaeocene. 



Approximate Telhyon Margin 



XJ Trmoclodus Spp 



_ (Upper Cretaceous) 



^P Trinocladus perplexus 



(Palaeocene _ Lr. Eocene) 



Fig. 12. 



Thyrsoporella, an extinct dasyclad ; 

 distribution showing post-Palaeocene 

 dispersal. 



Approximate Tethyon Morgir 



JQl Th/rsoporeila 



, (Palaeocene — Lr. Eocene] 



/\ Thyrjoporella 

 (M. Eocenel 



Fig. 13. 



