环口目
苔藓动物门窄唇纲的一目。硬体蔓状、丛树状、薄层状、团块状及枝状等。虫室呈简单的管状，直或弯曲，长短不一，室口圆形或椭圆形，无口盖及收缩或膨大现象，故称环口或圆口。虫室内一般无横板，室壁薄，具微孔，无刺孔。海生，奥陶纪至现代。
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Contributor
contributed at 2011-10-11
Classification(s)
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Earth System(in Chinese) Paleontology
Detailed Description
| English |
|---|
| Name | Cyclostomata |
| Chinese |
|---|
| Name | 环口目 |
| Description | 苔藓动物门窄唇纲的一目。硬体蔓状、丛树状、薄层状、团块状及枝状等。虫室呈简单的管状，直或弯曲，长短不一，室口圆形或椭圆形，无口盖及收缩或膨大现象，故称环口或圆口。虫室内一般无横板，室壁薄，具微孔，无刺孔。海生，奥陶纪至现代。 |
How to Cite
NNU_Group (2011). 环口目, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/a86171c2-e6ef-4043-90db-3d3877535770
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