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SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I48 



Superfamily 

 STENOSCISMATACEA 



Family 

 STENOSCISMATIDAE 



Family 

 ATRIBONMDAE 



Subfamily 

 TORYNECHINAE 



Subfamily 

 STENOSCISMATINAE 



Subfamily 

 ATRIBONIINAE 



Subfamily 

 PSILOCAMARINAE 



Fig. 3. — Phylogeny of the Stenoscismatacea. 



