翻訳と辞書 |
Punctum pygmaeum : ウィキペディア英語版 | Punctum pygmaeum
''Punctum pygmaeum'' is a species of very small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Punctidae, the dot snails.
== Shell description ==
For terms see gastropod shell The shell is very small, 1.2-1.6 mm in width.〔http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=1856 (Welter-Schultes)]〕 The 0.6-0.8 x 1.2-1.6 mm. shell is almost flat, extremely densely and regularly striated, appearing silky shiny light horny brown. There are 3-3.5 moderately convex whorls, the aperture is rounded, with a thin margin which is not reflected and without a lip.The umbilicus is wide (25 % of shell diameter).〔(Animalbase (Welter-Schultes) ) 〕
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「Punctum pygmaeum」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.
|
|