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Anodontia alba : ウィキペディア英語版 | Anodontia alba
''Anodontia alba'', or the buttercup lucine, is a species of bivalve mollusc in the family Lucinidae. It can be found along the Atlantic coast of North America, its range extending from North Carolina in the United States to the West Indies.〔Abbott, R.T.; Morris, P.A. ''A Field Guide to Shells: Atlantic and Gulf Coasts and the West Indies.'' New York: Houghton Mifflin, 1995. 51.〕 ==Description== The buttercup lucine grows to a length of up to . It has a pair of equal sized, nearly circular, inflated valves joined at a many-toothed hinge. The exterior is smooth and white and is etched with fine concentric lines running parallel with the margin which show the animal's annual growth stages. The interior of the valves is buttercup yellow. When examining an empty valve, the pallial line (formed by the attachment of the mantle muscles) can be seen running parallel with the margin with the two muscle scars nearer the hinge. These show where the strong adductor muscles that held the valves together were attached. The anterior scar (nearer the animal's head) is parallel with the pallial line, a fact that distinguishes this species from the otherwise similar chalky buttercup (''Anodontia philippiana'').
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「Anodontia alba」の詳細全文を読む
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