Cyathura (Cyathura) 31 



Cortezura conjixa (Kensley, 1978) 

 Figure 10 



DIAGNOSIS 9 13.4 mm. Antennular peduncle articles 1 and 2 each with 

 clump of ventrally directed setae. Antennal peduncle article 2 and antennu- 

 lar peduncle article 1 locked together. Mandibular palp of two articles, distal 

 article twice length of proximal. Pereopod 1, propodus expanded, especially 

 posteriorly; palm concave, with strong tubercle and irregular band of setae 

 on mesial surface. Uropodal exopod ovate, apically rounded; endopod length 

 1.5 times greatest width. Telson ovate, posteriorly faintly narrowed, prox- 

 imally thickened, with faint ridges diverging posteriorly. 



RECORDS Cubagua Island, Venezuela, 4-10 m. 



REMARKS This spccies was described under the generic name Venezanthura 

 Kensley (1978). The only other known species of Cortezura is the type of the 

 genus, C. penascoensis Schultz, 1977, from California. 



Cyathura Norman and Stebbing, 1886 



DIAGNOSIS Eyes present or absent. Antennular flagellum of one to three 

 articles in 9 . Antennal flagellum of one to three articles. Mandibular palp of 

 three articles. Maxillipedal palp of two articles; endite reduced or absent. 

 Pereopod 1, propodus inflated. Pereopods 4-7, carpi triangular. Pleopod 1 

 exopod operculiform. Pleonites 1-5 short, fused; pleonite 6 fused with telson, 

 sometimes dorsally demarked. Pleotelson with two basal statocysts. 



Key to subgenera of Cyathura 



Pleonite 6 not dorsally demarked from telson; articulation of uropodal 

 exopod very short; exopod not adpressed to telson dorsally 

 Stygocyathura 



Pleonite 6 dorsally demarked from telson; articulation of uropodal 

 exopod relatively elongate; exopod adpressed dorsally to telson 

 Cyathura 



Cyathura (Cyathura) Norman and Stebbing, 1886 



DIAGNOSIS Integument usually strongly pilose or setose; eye and body pig- 



