翻訳と辞書 |
Pisidium nitidum : ウィキペディア英語版 | Pisidium nitidum
''Pisidium nitidum'' or the "shining pea clam" is a species of minute freshwater clam, an aquatic bivalve mollusc in the family Sphaeriidae, the pea clams and fingernail clams. ==Description== The 3 - 4 mm. shell is slightly tumid (swollen). In shape it is regular-oval with low umbos slightly behind the mid point. The umbonal area is demarcated by three concentric furrows. The surface (periostracum) is very glossy, with prominent irregularly spaced concentric striae. The colour is yellowish.
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「Pisidium nitidum」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.
|
|