翻訳と辞書 |
Trochus incrassatus : ウィキペディア英語版 | Trochus incrassatus
''Trochus incrassatus'' is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. The Australian Faunal Directory recognizes this species as a synonym of ''Trochus stellatus'' Gmelin, 1791 〔 (Australian Faunal Directory: ''Trochus stellatus'' ) 〕 ==Description== The height of the shell attains 30 mm, its diameter also 30 mm. The , thick, heavy, solid shell has a conical shape. It is, whitish, radiately striped above and below with purplish red. The outlines of the spire are convex. The 7 to 8 whorls are coarsely granulose in about 5 or 6 spiral series, of which the upper series is most prominent. The periphery is rounded. The base of the shell is a little concave, with about 7 concentric granulose or subgranulose lirae. The aperture is strongly lirate within upon the parietal and outer wall. The basal margin contains four or five teeth. The columella is dentate. The umbilical tract is nearly smooth or obsoletely spirally plicate. 〔 (H. Pilsbry, Manual of Conchology XI, Academy of Natural Sciences, Philadelphia ) 〕
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「Trochus incrassatus」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.
|
|