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Acanthocardia aculeata : ウィキペディア英語版 | Acanthocardia aculeata
''Acanthocardia aculeata'', common name spiny 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 aculeata'' can reach a size of 50-115 mm. This shell is robust, broadly oval, with a heart-shaped profile, equivalve and inflated, with crenulated margins. The surface shows 20-22 prominent radial ribs, with rows of sharp spines, especially at sides. The basic coloration is usually pale brown. The interior is white, with grooves extending throughout the inside.
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 aculeata」の詳細全文を読む
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