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Glycymerididae : ウィキペディア英語版 | Glycymerididae
Glycymerididae, previously known as Glycymeridae, common names dog cockles or bittersweets, is a worldwide family of salt water clams, marine bivalve mollusks in the superfamily Arcoida. They are related to the ark clams. This family contains 45 species in four genera. ==Description== In this family the shell is generally round in outline and is slightly longer than it is wide. The external ligament lacks transverse striations. The shell in some genera is smooth and in others it is ribbed.
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「Glycymerididae」の詳細全文を読む
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