山旺阶
是中国陆相中新统的第二个阶，位于谢家阶之上，通古尔阶之下。阶名源自岩石地层单位山旺组，层型剖面位于山东临朐尧山解家河村西南1千米处。山旺阶以开始出现一些现生哺乳类动物的科(或亚科)，如熊科(Ursidae)、长颈鹿科(Giraffidae)、睡鼠科(Gliridae)及鼯鼠亚科(Petauristinae)等为特征。此时期出现大量的新属，如Megacricetodon,Democricetodon,Alloptox,Hemicyon,Pleisiaceratherium,Anchitherium,Hyotherium等；而且啮齿目开始了以松鼠形类占统治地位的时期。
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Alias
Contributor
contributed at 2011-10-11
Classification(s)
●
Earth System(in Chinese) Geostratigraphic stratigraphy
Detailed Description
| English |
|---|
| Name | Shanwangian Stage |
| Chinese |
|---|
| Name | 山旺阶 |
| Description | 是中国陆相中新统的第二个阶，位于谢家阶之上，通古尔阶之下。阶名源自岩石地层单位山旺组，层型剖面位于山东临朐尧山解家河村西南1千米处。山旺阶以开始出现一些现生哺乳类动物的科(或亚科)，如熊科(Ursidae)、长颈鹿科(Giraffidae)、睡鼠科(Gliridae)及鼯鼠亚科(Petauristinae)等为特征。此时期出现大量的新属，如Megacricetodon,Democricetodon,Alloptox,Hemicyon,Pleisiaceratherium,Anchitherium,Hyotherium等；而且啮齿目开始了以松鼠形类占统治地位的时期。 |
How to Cite
NNU_Group (2011). 山旺阶, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/29740654-08cf-48e2-97ac-4bf262397bdc
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