石燕
腕足动物门有铰纲石燕目的一属。壳体大，轮廓横长，铰合线稍短或等于最大壳宽。两壳双凸型，中槽、中隆发育。壳喙尖锐弯曲，铰合面凹曲。壳面饰有分叉的壳线，但壳线不成簇，并有极细的壳纹。齿板短而平行，主突起低。石炭纪，世界各地。中国产于南方及西北的下石炭统。
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Alias
Contributor
contributed at 2011-10-11
Classification(s)
●
Earth System(in Chinese) Paleontology
Detailed Description
| English |
|---|
| Name | Spirifer |
| Chinese |
|---|
| Name | 石燕 |
| Description | 腕足动物门有铰纲石燕目的一属。壳体大，轮廓横长，铰合线稍短或等于最大壳宽。两壳双凸型，中槽、中隆发育。壳喙尖锐弯曲，铰合面凹曲。壳面饰有分叉的壳线，但壳线不成簇，并有极细的壳纹。齿板短而平行，主突起低。石炭纪，世界各地。中国产于南方及西北的下石炭统。 |
How to Cite
NNU_Group (2011). 石燕, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/d1277768-5e9f-4b2a-b37b-52d07597697f
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