A Mesozoic fossil lagerstätte from 250.8 million years ago shows a modern-type marine ecosystem-Reference-Cited by-同舟云学术

A Mesozoic fossil lagerstätte from 250.8 million years ago shows a modern-type marine ecosystem

Published:2023-02-10 Issue:6632 Volume:379 Page:567-572
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Dai Xu¹²^ORCID,Davies Joshua H. F. L.³^ORCID,Yuan Zhiwei¹^ORCID,Brayard Arnaud²^ORCID,Ovtcharova Maria⁴^ORCID,Xu Guanghui⁵⁶^ORCID,Liu Xiaokang¹^ORCID,Smith Christopher P. A.²^ORCID,Schweitzer Carrie E.⁷^ORCID,Li Mingtao⁸,Perrot Morgann G.³⁹^ORCID,Jiang Shouyi¹,Miao Luyi¹,Cao Yiran¹^ORCID,Yan Jia¹,Bai Ruoyu¹⁰^ORCID,Wang Fengyu¹,Guo Wei¹^ORCID,Song Huyue¹,Tian Li¹^ORCID,Dal Corso Jacopo¹^ORCID,Liu Yuting¹,Chu Daoliang¹^ORCID,Song Haijun¹^ORCID

Affiliation:

1. State Key Laboratory of Biogeology and Environmental Geology, School of Earth Sciences, China University of Geosciences, Wuhan 430074, China.

2. Biogéosciences, UMR 6282, CNRS, Université de Bourgogne, 21000 Dijon, France.

3. Département des Sciences de la Terre et de l'atmosphère, Université du Québec à Montréal/GEOTOP, Montréal, Quebec H2X 3Y7, Canada.

4. Department of Earth Sciences, University of Geneva, CH-1205 Geneva, Switzerland.

5. Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China.

6. CAS Center for Excellence in Life and Paleoenvironment, Beijing 100044, China.

7. Department of Earth Sciences, Kent State University at Stark, North Canton, OH 44720, USA.

8. Institute of Geology and Paleontology, Linyi University, Linyi 276005, China.

9. Department of Earth and Planetary Sciences/GEOTOP, McGill University, Montréal, Quebec H3A 0E8, Canada.

10. Henan University of Engineering, Zhengzhou 451191, China.

Abstract

Finely preserved fossil assemblages (lagerstätten) provide crucial insights into evolutionary innovations in deep time. We report an exceptionally preserved Early Triassic fossil assemblage, the Guiyang Biota, from the Daye Formation near Guiyang, South China. High-precision uranium-lead dating shows that the age of the Guiyang Biota is 250.83 +0.07/–0.06 million years ago. This is only 1.08 ± 0.08 million years after the severe Permian-Triassic mass extinction, and this assemblage therefore represents the oldest known Mesozoic lagerstätte found so far. The Guiyang Biota comprises at least 12 classes and 19 orders, including diverse fish fauna and malacostracans, revealing a trophically complex marine ecosystem. Therefore, this assemblage demonstrates the rapid rise of modern-type marine ecosystems after the Permian-Triassic mass extinction.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Link

https://www.science.org/doi/pdf/10.1126/science.adf1622

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