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October 23, 2003
Angel Wing: "Angel Wing (Cyrtopleura costata) (up to about 7 in.) Angel wings are found along the East Coast from Massachusetts southward. A bivalve with a fragile, white shell covered with a thin, yellow-tinted periostracum, the angel wing burrows in sand or mud up to two feet deep and feeds on algae through a siphon. The angel wing has no ligaments to keep the shell closed: because it rocks itself into a tight-fitting burrow, the adductor muscles are enough to see that the shell remains closed." [ posted by Willa @ 11:06 ] [ link me ] -----
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