Geocerceis barbarae 215 



Dynamenella perforata (Moore, 1901) 

 Figure 94A,B 



DIAGNOSIS 6 3.2 mm, 9 2.6 mm. S: Pieon bearing two low rounded sub- 

 median "mounds." Pleotelson with strongly convex anterior two-thirds, with 

 T-shaped foramen. Pleon and pleotelson with numerous scattered small tu- 

 bercles. Uropodal rami broadly ovate, outer margins crenulate. 9 : 

 Pleotelson broadly rounded in dorsal view, posterior margin entire. Inner 

 uropodal ramus distally subacute. 



RECORDS Bermuda to Puerto Rico, intertidal coral rubble and algae, and 

 under chiton Acanthopleura granulata; Dominican Republic; Cuba. 



Dynamenella quadrilirata Kensley, 1984 

 Figure 94C-H 



DIAGNOSIS S 2.6 mm, 9 2.5 mm. 6: Two low rounded submedian tuber- 

 cles on last pleonite. Anterior half of pleotelson inflated, with four rounded 

 longitudinal ridges; posterior half tapered, somewhat dorsally flexed, with 

 cordate foramen. Uropodal rami distally rounded, outer margins crenulate 

 to dentate. 9 : Lacking pleonal tubercles. Pleotelson inflated, unornamented, 

 posterior margin forming subcircular foramen. 



RECORDS Carrie Bow Cay, and Twin Cays, BeHze; intertidal to 3 m. 



Geocerceis Menzies and Glynn, 1968 



DIAGNOSIS Ovigerous 9 with mouthparts metamorphosed. Broodpouch 

 with three pairs of oostegites, on pereonites 2-4, just overlapping in midline. 

 Brood held in internal pouches (number unknown). Pockets absent. Uropo- 

 dal rami lamellar, shorter than pleotelson. 6 uropodal endopod fused with 

 sympod, very short; exopod elongate, club shaped. Pleopod 2 with copula- 

 tory stylet articulating distally on endopod. 



Geocerceis barbarae Menzies and Glynn, 1968 

 Figure 95A-C 



DIAGNOSIS 6 3.3 mm, 9 2.5 mm. Pleopod 3 exopod of single article. Pleon 

 with two elongate sutures reaching lateral pleon margin. 6 : Frontal lamina 

 expanded into ventrally directed beaklike process. Penes separate, relatively 



