Generic Distribution. 



' 59 



Generic Distribution of the DicTYOspoNorOif: (Conchided). 



GENERA 



I 





1 



tf<aml/k 



'on 



"I 



I 



«5 



1 





C5 





i 

 1 





Arystidictya, 



Phraginodictya, 



Griphodictya, 



Calathospongia, 



Tliainnodictya, 



Clepaydrospongia, 



Cleodictya, 



Roeinerispongia, 



Physospongia, 



Hyphantaenia, 



Hallodictya, 



Actinoflictya, 



Cryptodictya, 



Aglithodictya. 



^ifti— 



