134 



U.S. NATIONAL MUSEUM BULLETIN 2 59 



o 



o 



c 

 o 



FLAGELLATUS 

 GROUP 



o 



c 

 o 

 o 



M 



a 



CP 



EMARGINATUS 

 GROUP 



Figure 32. — Suggested phylogeny of emarginatus and flagellatus groups of Stygonedes. 



