扬子贝
腕足动物门有铰纲五房扬子贝贝目的一属。壳体近方圆形，铰合线稍短于最大壳宽。两壳双凸型，背壳凸度稍大。铰合面上有三角孔。中槽、中隆显著。壳面光滑，仅具同心纹。腹壳内齿板联合而成匙形台，后部固着，前端支有中隔脊，背壳内腕房为一横板托起，其后下方支以一对或两对副隔板。两壳内部并各有数条窄隆脊。产于中国南方中奥陶统。
63
Alias
Contributor
contributed at 2011-10-11
Classification(s)
●
Earth System(in Chinese) Paleontology
Detailed Description
| English |
|---|
| Name | Yangtzeella |
| Chinese |
|---|
| Name | 扬子贝 |
| Description | 腕足动物门有铰纲五房扬子贝贝目的一属。壳体近方圆形，铰合线稍短于最大壳宽。两壳双凸型，背壳凸度稍大。铰合面上有三角孔。中槽、中隆显著。壳面光滑，仅具同心纹。腹壳内齿板联合而成匙形台，后部固着，前端支有中隔脊，背壳内腕房为一横板托起，其后下方支以一对或两对副隔板。两壳内部并各有数条窄隆脊。产于中国南方中奥陶统。 |
How to Cite
NNU_Group (2011). 扬子贝, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/a954301e-bac3-4dec-b8d6-0ae2721169c4
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