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Testudinalia testudinalis : ウィキペディア英語版 | Testudinalia testudinalis
''Testudinalia testudinalis'', common name the common tortoise limpet, is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Lottiidae, one of the families of true limpets. It is commonly known as the plant limpet or tortoiseshell limpet.〔(The Marine Flora & Fauna of Norway )〕 ==Description== ''T. testudinalis'' has a low domed shell, oval in outline. It can grow to up to 30 x 24 x 10 mm but typically is about half this size. The apex is towards the anterior of the shell and fine ridges radiate from it. The shell is banded with brown and white. The mantle is the part of the body wall immediately under the shell and at the edges it is curled round to form a collar. The foot is broad and oval. The head bears two sensory tentacles with a tiny black eye at the base of each.〔(Invertebrate Anatomy OnLine )〕
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「Testudinalia testudinalis」の詳細全文を読む
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