翻訳と辞書 |
Siogamaia
''Siogamaia'' is a small genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks. This genus is currently placed in the subfamily Chrysallidinae of the family Odostomiidae. The genus was originally described as a subgenus of ''Tropaeas'' Dall & Bartsch, 1904, but was later erected to a full genus and placed within Chysallidinae by Schander et al. (1999). ==Shell description==
The original genus description (Nomusa 1936), states that ''Siogamaia'' is a shell of moderate size with many whorls. The outline is elongate-conical in outline. The surface is marked by weak axial ribs that are mostly shown in the earlier whorls. The interspaces between the ribs are smooth. The Aperture is obliquely ovate with a single distinct columellar fold. The outer lip is smooth within,
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「Siogamaia」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.
|
|