宽背虫亚目
三叶虫纲莱得利基虫目的一亚目。背壳椭圆形。头部半圆形，颊刺发育，面线为后颊类型。头鞍大而凸起显著，前端收缩，圆润，鞍沟2至3对，后一对相连。内边缘缺失或极小。眼大而长，眼脊宽。颈环具颈疣或颈刺。胸部13节，轴宽而凸，具轴疣或轴刺，肋部狭。尾部半圆形或近三角形，轴宽肋狭，分节不显。早寒武世至中寒武世。中国贵州下寒武统产有宽背虫(Bathynotus)。
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contributed at 2011-10-11
Classification(s)
●
Earth System(in Chinese) Paleontology
Detailed Description
| English |
|---|
| Name | Bathynotina |
| Chinese |
|---|
| Name | 宽背虫亚目 |
| Description | 三叶虫纲莱得利基虫目的一亚目。背壳椭圆形。头部半圆形，颊刺发育，面线为后颊类型。头鞍大而凸起显著，前端收缩，圆润，鞍沟2至3对，后一对相连。内边缘缺失或极小。眼大而长，眼脊宽。颈环具颈疣或颈刺。胸部13节，轴宽而凸，具轴疣或轴刺，肋部狭。尾部半圆形或近三角形，轴宽肋狭，分节不显。早寒武世至中寒武世。中国贵州下寒武统产有宽背虫(Bathynotus)。 |
How to Cite
NNU_Group (2011). 宽背虫亚目, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/876bb49e-f7bd-43c1-b921-2b42156a7da3
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