. Bulletin of the Natural History Museum Zoology. Fig. 8 Cardiolucina civica from Andaman Islands. Large specimen illustrated by Melvill and Sykes (1897, fig. 1) as Lucina (Codakia) semperiana Issel (BMNH ) a. Right valve exterior; b. Left valve interior. Scale bar a-b = cardinal large and the anterior very small. There is a single anterior lateral tooth. Ligament short, extending from the beak to about half way to posterior lateral tooth. Inner margin of shell thickened and with 30 crenulations. Small denticles on anterodorsal margin. Ante- rior adductor muscle scar elongate
. Bulletin of the Natural History Museum Zoology. Fig. 8 Cardiolucina civica from Andaman Islands. Large specimen illustrated by Melvill and Sykes (1897, fig. 1) as Lucina (Codakia) semperiana Issel (BMNH ) a. Right valve exterior; b. Left valve interior. Scale bar a-b = cardinal large and the anterior very small. There is a single anterior lateral tooth. Ligament short, extending from the beak to about half way to posterior lateral tooth. Inner margin of shell thickened and with 30 crenulations. Small denticles on anterodorsal margin. Ante- rior adductor muscle scar elongate and not buttressed, pallial line attached near ventral tip. Posterior adductor scar small and rounded. Pallial line continuous. Shell grey white. Juveniles less inflated and more extended anteriorly. Posterior sulcus more pronounced and anterodorsal shell margin markedly convex. Shell thinner with radial riblets visible from interior of shell. A large specimen (BMNH ) from the Andaman Islands, figured by Melvill and Sykes (1898 , ) as Lucina (Codakia) semperiana, has many of the characters of C. civica, although larger than specimens from other localities. Other speci- mens in the BMNH from Port Blair. Andamans are similarly Fig. 9 Geographical distribution of Cardiolucina civica (Yokoyama).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Natural History Museum (London). Andover : Intercept
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