锯笔石
正笔石目的一属。笔石体直或微曲，仅有一个笔新单笔石石枝。胞管为简单的直管状，或腹缘微弯。志留纪，亚洲、欧洲、北美及大洋洲。中国多产于南方下志留统，也见于上志留统及中志留统。
Classification(s)
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Geographic semantic resource library Earth System(in Chinese) Paleontology
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| English |
|---|
| Name | Pristiograptus |
| Chinese |
|---|
| Name | 锯笔石 |
| Description | 正笔石目的一属。笔石体直或微曲，仅有一个笔新单笔石石枝。胞管为简单的直管状，或腹缘微弯。志留纪，亚洲、欧洲、北美及大洋洲。中国多产于南方下志留统，也见于上志留统及中志留统。 |
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NNU_Group (2011). 锯笔石, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/94cfacb0-2924-4693-8532-f84c0aca2b87
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