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Acanthocardia spinosa : ウィキペディア英語版 | Acanthocardia spinosa
''Acanthocardia spinosa'', common name Sand Cockle, is a species of saltwater clams, marine bivalve molluscs in the family Cardiidae. The genus ''Acanthocardia'' is present from the Upper Oligocene to the Recent. ==Description== The shell of ''Acanthocardia spinosa'' can reach a size of 60-95 mm. This shell is robust, round with a heart-shaped profile, equivalve and inflated, with crenulated margins. The surface shows thick narrowly spaced radial ribs, with rows of pronounced thorny hooks. The basic external coloration is usually pale brown; the interior is white.
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「Acanthocardia spinosa」の詳細全文を読む
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