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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Pteria colymbus ： ウィキペディア英語版 Pteria colymbus ''Pteria colymbus'', or the Atlantic winged oyster, is a species of bivalve mollusc in the family Pteriidae. It can be found along the Atlantic coast of North America, ranging from North Carolina to Bermuda 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. 22.〕 ==Description== The Atlantic winged oyster grows to about long and is a distinctive, asymmetric shape. It has a long straight hinge with one wing drawn out a long way and the other one much smaller. The upper valve is brownish, often mottled with paler markings. The lower valve is flatter and smaller and the interior of the shell is pearly grey. The posterior margin is rounded while the anterior margin is elongated and slopes at an acute angle to the hinge. There are a number of indistinct, irregular ribs that flare out from the umbo. These are sparsely covered with blunt spines and there is a fine sculpturing of concentric growth lines. 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「Pteria colymbus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.