59 (58) Exopod first leg (P, ) 3-segmented 



.60 



59(58) Exopod first leg (P,)2-seKmented (Fig. 83) 



fliarf/2rodes (fusiform compressed) 



60(59) Rostrum separate from rest of cephalosome and articulated at base 61 



60 (59) Rostrum not separate from rest of cephalosome or ar- 

 ticulated at base, directed downward (Fig. 84) ... 

 Thalestris (fusiform compressed) 



33 



