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New trilobite assemblage from the lower Cambrian (upper Stage 4) of the Lake Zone, western Mongoliaстатья
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 июля 2024 г.
- Авторы: Sun Zhixin, Aihua Yang, Zhao Fangchen, Zhuravlev Andrey Yu, Bing Pan, Chunlin Hu, Qian Feng, Xi Chen, Maoyan Zhu
- Журнал: Journal of Paleontology
- Том: 97
- Номер: 3
- Год издания: 2023
- Издательство: Society of Economic Paleontologists and Mineralogists
- Местоположение издательства: United States
- Первая страница: 577
- Последняя страница: 590
- DOI: 10.1017/jpa.2023.23
- Аннотация: The western Mongolian Lake Zone was a Neoproterozoic to early Paleozoic volcanic arc where tuffs, lavas, fossiliferous siliciclastics, and carbonates accumulated during the early Cambrian. An uppermost Cambrian Series 2 (upper Stage 4) trilobite assemblage is described here from the Burgasutay Formation representing a continuous lower Cambrian succession at the Seer Ridge of the Great Lake Depression. The new assemblage is dominated by dor- ypygids and consists of 13 trilobite genera belonging to nine families including Catinouyia heyunensis new species. These fossils comprise the youngest and richest lower Cambrian trilobite assemblage in Mongolia. The composition of the Lake Zone fauna suggests its biogeographic affinity with the Siberian Platform and Altay-Sayan Foldbelt, but the presence of inouyiids also implies a connection of this region with East Gondwana.
- Добавил в систему: Журавлев Андрей Юрьевич