NO. 3 



BARNARD: THE PHOXOCEPHALIDAE 



181 



RELATIONSHIPS OF PHOXOCEPHALID 



GENERA 



Harpinia (male antenna 2 

 short) 



Leptophoxus 



Harpiniopsls 

 (loss of eyes) 



Pseudharpinia 



'Metaphoxus 



Proharpinia 



Phoxocephalus 

 coxalis 



\ 



Heterophoxus 

 (antenna 2 with 

 ensiform process) 



(loss of molar ridges) 



(maxilla 1 



palp 



uniarticular^) 



HARPINIID STOCK 

 (peraeopod 3, article 2 

 narrow) 



Phoxocephalus 



Paraphoxus 



Joubinella 



Microphoxus 



(maxilla 1 palp biarticulate) 



PARAPHOXID STOCK (peraeopod 3, 

 article 2 broad) 



PRIMITIVE PHOXOCEPHALID 



