比斯开湾白垩纪-第三纪边界剖面中的马斯特里赫特菊石和无神经酰胺

Q4 Earth and Planetary Sciences

Spanish Journal of Paleontology Pub Date : 2022-09-02 DOI:10.7203/sjp.25166

P. Ward

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引用次数: 17

摘要

从暴露于西班牙al-Sopelana和Zumaya以及法国Hendaye和Bidart（Biarritz）的白垩纪-第三纪边界剖面中新收集的菊石和无神经酰胺双壳类，使人们更好地了解了这些海岸暴露中的软体动物生物地层学。这些剖面中的阿里可以进行岩性对比。在所有的剖面中，现在已经在白垩纪的最后一米范围内发现了菊石。此外，在所有剖面中，无神经酰胺双壳类在A.mayaronensis浮游有孔虫带底部附近消失，唯一的例外是小而神秘的双壳属Tenuipteria，它一直延伸到白垩纪-第三纪边界。

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Maastricthtian ammonite and inoceramid ranges from Bay of Biscay Cretaceous-Tertiary boundary sections

New collecting of ammonites and inoceramid bivalves from Cretaceous-Tertiary boundary sections exposed al Sopelana and Zumaya, Spain, and Hendaye and Bidart (Biarritz), France, has led to better understanding of molluscan biostratigraphy in each of these coastal exposures. Ali of these sections can be lithologically correlated. At ali of the sections, ammonites have now been found within the last meter of the Cretaceous. Also, in ali of the sections, inoceramid bivalves disappear near the base A. mayaronensis planktonic foram zone, the only exception being the small, enigmatic bivalve genus Tenuipteria, which ranges up to the Cretaceous-Tertiary boundary.

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来源期刊

Spanish Journal of Paleontology Earth and Planetary Sciences-Paleontology

CiteScore

1.00

自引率

0.00%

发文量

389

期刊介绍： The journal is international and publishes original manuscripts in Spanish and, preferentially, British spelling English on all aspects of broad interest in palaeontology. Particularly, the SJP aims to communicate and promote palaeontological research to the global scientific community. Moreover, articles on new discoveries and approaches are especially welcome. Finally, studies of present-day material can be included if they have significant palaeontological relevance.