八射珊瑚亚纲
珊瑚纲的一亚纲。全为复体珊瑚，多呈树枝状。水螅体互相以共肉联结，仅口端伸出表面，具8个羽状触手，腔内有8个隔膜，故名八射珊瑚。骨骼由钙质或角质骨针组成，骨针细小，分散在软体内或聚集形成骨轴，也有由骨针形成管状骨骼。侏罗纪至现代，繁盛于新生代及现代，但化石很少，地层意义不大。
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contributed at 2011-10-11
Classification(s)
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Earth System(in Chinese) Paleontology
Detailed Description
| English |
|---|
| Name | Octocorallia |
| Chinese |
|---|
| Name | 八射珊瑚亚纲 |
| Description | 珊瑚纲的一亚纲。全为复体珊瑚，多呈树枝状。水螅体互相以共肉联结，仅口端伸出表面，具8个羽状触手，腔内有8个隔膜，故名八射珊瑚。骨骼由钙质或角质骨针组成，骨针细小，分散在软体内或聚集形成骨轴，也有由骨针形成管状骨骼。侏罗纪至现代，繁盛于新生代及现代，但化石很少，地层意义不大。 |
How to Cite
NNU_Group (2011). 八射珊瑚亚纲, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/594a9182-9030-49aa-812a-2cae117e531d
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