A Hope for an Integrated Taxonomy of Fossil and Extant Clam Shrimps

来源 :地质学期刊(英文) | 被引量 : 0次 | 上传用户:qiuzhilv
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Clam shrimps are large bivalved branchiopod crustacean. They first occurred in the Devonian, and flourished during the Mesozoic in Asia. Fossil clam shrimps play an important role in the subdivision and correlation of non-marine fossil-bearing strata. The
其他文献
Protected areas are considered as suitable environments for tourism development where the performance of tourism, consumer, and economic activities consistent w
目的:观察西沙必利对精神药物性肠麻痹的疗效和安全性。方法:将精神药物性肠麻痹32 例随机分为两组,西沙必利组和对照组各16 例,两组的性别、年龄、精神药物治疗方案和剂量等差异均无
The Zemo Imereti Plateau is located in the easternmost part of the limestone region of western Georgia and is Caucasus’ only karst plateau. It is centrally loc
Naiband Gulf is part of Naiband National Park known as Iran’s first marine national park. It is Iran’s most important habitats in the northern Persian Gulf du
2018年12月25日,国家发改委就全面实施市场准入负面清单有关情况举行发布会。谈及市场准入负面清单与外商投资负面清单间的关系,发改委体改司司长徐善长表示,各有定位、功能
二十卷的《新格罗夫音乐辞典》已经出版了。这部辞典关于爵士音乐及爵士音乐家的词条,尚有许多有待改进的地方。有时,这些词条似乎对爵士音乐屈尊俯就,使之披上高人一等的优
Sarvak Formation (Late Albian-Early Turonian) as main reservoir in the field is one of the carbonate units of Bangestan Group in Zagros Basin with average thick
目的:探讨根治幽门螺杆菌感染后达克普隆治疗活动期十二指肠溃疡疗程对复发率的影响.方法:采用达克普隆总疗程分别为二周及四周治疗活动期十二指肠溃疡.治疗后一月复查胃镜溃
吐音如同其他管乐器一样,吐音是由舌头的弹动帮助气柱的释放而完成的。首先,让学生把舌尖轻轻地搁在上牙床后面,把舌头快速向后收缩就可送出气流并发音。舌头的这个动作跟我