CYCLOPOIDS FROM LITTORAL CAVES 



95 



Fig. 10. Euryte longicauda Philippi, 1843. adult male swimming legs, posterior view. A, leg 1; B, leg 2; C, leg 3; D, leg 4. 



1 seta + minute aesthetasc; segment 15 (fused ancestral segments 

 XXI to XXIII), 2 modified flattened spines, 1 seta + aesthetasc; 

 segment 16 (fused segments XXIV to XXVIII), 11 setae + 2 

 aesthetascs. 



Antenna (Fig. 9A) 4-segmented. First segment representing par- 

 tially fused coxa and basis, armed with 2 inner basal setae distally, 

 and 1 outer seta representing exopod; patch of setules present 

 midway along outer margin of segment. Endopod 3-segmented; first 

 segment about as long as coxa and basis combined, armed with 1 

 seta at three-quarters of distance along inner margin; outer margin 



ornamented with setules. Segments 2 and 3 subsimilar in size, each 

 about half length of segment 1 . Segment 2 armed with 2 lateral and 

 3 distal setae, one of latter (seta VIII in scheme of Boxshall & 

 Evstigneeva, 1994) claw-like, along inner margin. Segment 3 armed 

 with 7 distal setae, one claw-like; outer margin with 2 rows of 

 setules, as figured. 



Mandible (Fig. 9B) with large coxal gnathobase bearing 1 1 

 unequal, sharp blades, plus 2 dorsal spines; outer dorsal spine 

 spinulate; transverse row of 6 thin spinules located adjacent to 

 cutting edge. Palp reduced to knob bearing 3 setae. 



