Evidence map›Paper›PMID 34183806›Full record

ArticleNature ecology & evolution2021

A juvenile-rich palaeocommunity of the lower Cambrian Chengjiang biota sheds light on palaeo-boom or palaeo-bust environments.

Xianfeng Yang, Julien Kimmig, Dayou Zhai, Yu Liu, Sara R Kimmig, Shanchi Peng

Abstract read
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In one paragraph

Article in Nature ecology & evolution, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed.

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  9. PeerJ · 2023
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  12. The young and the vestless.Nature ecology & evolution · 2021
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors.

Xianfeng YangYunnan Key Laboratory for Palaeobiology, Institute of Palaeontology, Yunnan University, Kunming, China. yangxf@ynu.edu.cn.ORCID http://orcid.org/0000-0001-7399-1309
Julien KimmigEarth and Mineral Sciences Museum and Art Gallery, The Pennsylvania State University, University Park, PA, USA. jkimmig@psu.edu.ORCID http://orcid.org/0000-0001-8032-4272
Dayou ZhaiYunnan Key Laboratory for Palaeobiology, Institute of Palaeontology, Yunnan University, Kunming, China.
Yu LiuYunnan Key Laboratory for Palaeobiology, Institute of Palaeontology, Yunnan University, Kunming, China.
Sara R KimmigLaboratory for Isotopes and Metals in the Environment (LIME), Earth and Environmental Systems Institute, The Pennsylvania State University, University Park, PA, USA.
Shanchi PengState Key Laboratory of Palaeobiology and Stratigraphy, Chinese Academy of Sciences, Nanjing, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The fossil record, including the record of Burgess Shale-type deposits, is biased towards late ontogenetic stages. Larval stages, juvenile and subadult specimens exist but are very rare and often preserved as phosphatic fossils, resulting in biased population structures. Here, we report a new Burgess Shale-type Lagerstätte from Haiyan, China. The Haiyan palaeocommunity is extraordinary in that it is rich in fossils of early and middle ontogenetic stages of various phyla, with eggs also commonly found in the studied interval. This Lagerstätte also hosts a considerable number of new taxa-many related to later biotas of Gondwana and Laurentia. We propose that the deposit may either preserve one of the earliest nurseries in the fossil record or, alternatively, records several attempted invasions. Our study highlights the complexity of biotas and their interactions in the lower Cambrian ocean and calls for a better understanding of the mechanisms responsible for the observed spatial variation of fossil community composition in the Cambrian.

Indexed as

Biological EvolutionFossilsAnimalsBiotaChinaLarva

Identifiers

PMID34183806

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.