150 



FLABELLIFERA • CIROLANIDAE 



Figure 67. Eurydice convexa: A, anteroventral cephalon; B, frontal lamina. Eurydice 

 personata: C, frontal lamina. 



lacking marginal setae. Pleonite 5 with free lateral margins, not overlapped 

 by pleonite 4. Uropodal sympod produced along mesial margin of endopod. 



Key to species of Excirolana 



1. Pleotelson with two anterior hollows clearly joined by impressed line; 



uropodal endopod about half length of exopod braziliensis 



Pleotelson with two anterior hollows not connected by impressed line; 

 uropodal endopod about two-thirds length of exopod mayana 



Excirolana braziliensis Richardson, 1912a 

 Figures 68A-C, 69A-C 



DIAGNOSIS 6 6.0 mm, 9 7.5 mm. Frontal lamina very slender between 

 antennal bases, widening anteriorly into rounded structure between anten- 



