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Glycymeris americana : ウィキペディア英語版 | Glycymeris americana
''Glycymeris americana'', or the American bittersweet, is a species of bivalve mollusc in the family Glycymerididae. It can be found along the Atlantic coast of North America, ranging from Virginia to Texas and Brazil.〔Abbott, R.T. & Morris, P.A. ''A Field Guide to Shells: Atlantic and Gulf Coasts and the West Indies.'' New York: Houghton Mifflin, 1995. 13.〕 ==Description== In warmer waters, the valves of ''Glycymeris americana'' may reach 5 in (12 cm) in diameter, but in cool waters it is much smaller. It is a sturdy shell, nearly circular in outline and rather flattened and has mottled brown markings on a white background. It has low, rounded ribs and the annual growth rings can be seen. The margin is slightly serrated and there is no pallial sinus. It lives buried in sand or gravel.〔(American Bittersweet: Big and Solid ) Retrieved 2011-11-29.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Glycymeris americana」の詳細全文を読む
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