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U.S. NATIONAL MUSEUM BULLETIN 295 



Figure 6Q.—Anchistrocheles bradyi Scott: A,B, USNM 121634 from Nosy Be; C,D, USNM 

 121633 from Nosy Be; G, USNM 121632 from Ceylon. A. fumata Brady: E,F, USNM 

 121630 A. (?) angulata (Brady): H, USNM 121635 from New Zealand. A. antemacella, n. 

 sp.: IJ, Juvenile USNM 121642; K,L, adult USNM 121641. A. 1 sp. aff. A. aculeata 

 Miiller; USNM 121637. 



A-G, I-L, Carapace exterior views; H,M, carapace interior views. A-D,G,M, X 50; 

 E,F,H, X 61; I-L, X 29. 



Nosy B6, Madagascar; 5 specimens from 4 samples, all collected 

 subfossil from carbonate sands near coral patch reefs in less than 10 

 meters of water. 



Dimensions.— USNM 121632 from LK-12, right valve, length 

 0.68 mm, height 0.37 mm. 



USNM 121633 from Nosy Be, left valve, length 0.84 mm, height 

 0.44 mm; right valve, length 0.84 mm, height 0.42 mm. 



USNM 121634 from Nosy Be, left valve, length 0.78 mm, height 

 0.39 mm; right valve, length 0.78 mm, height 0.37 mm. 



Distribution. — Described originally from the Gulf of Manaar near 

 Ceylon; reported here from Galle Harbor, Ceylon, and Nosy B6, 

 Madagascar. 



