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J.D. TAYLOR AND E.A. GLOVER 



Fig. 20 a-b Cardiolucina semperiana (Issel, 1 869), Gulf of Suez, Red Sea BMNH 1 870. 1 . 1 9.4, c-f C. semperiana, Tulear, Madagascar, BMNH. a, 

 exterior of right valve; b, interior of left valve; c, dorsal view articulated shell; d, exterior of right valve; e, interior of left valve; f, hinge showing details 

 of the dentition with denticulate posterior cardinal tooth. Scale bars a-b = 1 .0mm, c = 750um, d-e = 1 .0mm, f = 500um. 



