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Vitrea crystallina : ウィキペディア英語版 | Vitrea crystallina
''Vitrea crystallina'' is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Pristilomatidae. ==Description== For terms see gastropod shell. The 1.4-2.1 x 3-4 mm. shell is variable. It has 4-5 whorls and the last whorl width seen from above 1.5-2 x of penultimate whorl. The umbilicus is narrow, much narrower than in ''Vitrea botterii'', but clearly open, showing penultimate whorl, initially narrower, widened only at last whorl.Usually smaller than ''V. diaphana'', and larger than ''V. contracta'' which has more densely coiled whorls.〔(goettingen.de/zooweb/servlet/AnimalBase/home/sp ecies?id=1811 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「Vitrea crystallina」の詳細全文を読む
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