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  • José H. Leal

The Leafy Jewel Box

The Leafy Jewel Box, Chama macerophylla Gmelin, 1791, is probably the most commonly found Jewel Box (family Chamidae) along the beaches of Sanibel and Captiva. Unlike its close relative, the free-living (and also locally found) Spiny Jewel Box (Arcinella cornuta), the Leafy Jewel Box attaches itself to hard structures such as shells, pieces of coral rock, or man-made objects such as shipwrecks and concrete bridge pilings. The attached, or lower, shell valve is deeper than the upper valve, and the shell is ornamented by a sculpture of leaf- or scale-like projections arranged concentrically. The inner margins of valves are finely serrated (or crenulated), and the color may be yellow, rose, purple, orange, white, or any combinations of these.

Different views of the Leafy Jewel Box, Chama macerophylla. Photos by José H. Leal.

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