30 



U.S. NATIONAL MUSEUM BULLETIN 29 5 



Neonesidea aduncicorpulenta, new species 



Figure 106-/ 



Etymology. — Latin aduncus, hooked + corpulenta. 



Type specimens. — Holotype male USNM 121271; paratypes 

 USNM 121272. 



Type locality. — In a calcareous alga at Ambatoloaka, near low 

 tide level, sample 384 ; Nosy Be, Madagascar. 



Diagnosis. — Denticulate left valve margins, frilled right valve 

 margins, numerous tiny pits imparting plushy appearance to exterior, 

 slightly concave anterodorsal and posterodorsal margins, inflated 

 medial portion, horizontal venter. Distal antennal claw of male with 



Figure 10. — A, Neonesidea sp. 2, USNM 121285; B-F, N. aduncicorpulenta, n. sp., male 

 USNM 121271. A,E,F, Carapace interiors; B, copulatory organ and furca; C, antenna, 

 D, first thoracic leg. A, X 29; B-D, X 152; E,F, X 50. 



