Evidence map›Paper›PMID 33875588›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2021

Evidence from South Africa for a protracted end-Permian extinction on land.

Pia A Viglietti, Roger B J Benson, Roger M H Smith, Jennifer Botha, Christian F Kammerer, Zaituna Skosan, Elize Butler, Annelise Crean, Bobby Eloff, Sheena Kaal and 13 more

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing 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

16 citing papers in PubMed.

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  6. Global weirding at mass extinction horizons.National science review · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

23 authors.

Pia A VigliettiNegaunee Integrative Research Center, Field Museum of Natural History, Chicago, IL 60605; pviglietti@fieldmuseum.org.ORCID 0000-0003-0102-5632
Roger B J BensonEvolutionary Studies Institute, University of the Witwatersrand, Johannesburg, 2050, South Africa.ORCID 0000-0001-8244-6177
Roger M H SmithEvolutionary Studies Institute, University of the Witwatersrand, Johannesburg, 2050, South Africa.
Jennifer BothaDepartment of Zoology and Entomology, University of the Free State, Bloemfontein, 9300, South Africa.ORCID 0000-0001-8824-9334
Christian F KammererPaleontology, North Carolina Museum of Natural Sciences, Raleigh, NC 27601.ORCID 0000-0002-0596-623X
Zaituna SkosanKaroo Palaeontology, Iziko South African Museum, Cape Town, 8001, South Africa.
Elize ButlerDepartment of Zoology and Entomology, University of the Free State, Bloemfontein, 9300, South Africa.
Annelise CreanKaroo Palaeontology, Iziko South African Museum, Cape Town, 8001, South Africa.
Bobby EloffDepartment of Zoology and Entomology, University of the Free State, Bloemfontein, 9300, South Africa.
Sheena KaalKaroo Palaeontology, Iziko South African Museum, Cape Town, 8001, South Africa.
Joël MohoiDepartment of Zoology and Entomology, University of the Free State, Bloemfontein, 9300, South Africa.
William MoleheDepartment of Zoology and Entomology, University of the Free State, Bloemfontein, 9300, South Africa.
Nolusindiso MtalanaKaroo Palaeontology, Iziko South African Museum, Cape Town, 8001, South Africa.
Sibusiso MtungataKaroo Palaeontology, Iziko South African Museum, Cape Town, 8001, South Africa.
Nthaopa NtheriDepartment of Zoology and Entomology, University of the Free State, Bloemfontein, 9300, South Africa.
Thabang NtsalaDepartment of Zoology and Entomology, University of the Free State, Bloemfontein, 9300, South Africa.
John NyaphuliDepartment of Zoology and Entomology, University of the Free State, Bloemfontein, 9300, South Africa.
Paul OctoberKaroo Palaeontology, Iziko South African Museum, Cape Town, 8001, South Africa.
Georgina SkinnerKaroo Palaeontology, Iziko South African Museum, Cape Town, 8001, South Africa.
Mike StrongKaroo Palaeontology, Iziko South African Museum, Cape Town, 8001, South Africa.
Hedi StummerKaroo Palaeontology, Iziko South African Museum, Cape Town, 8001, South Africa.
Frederik P WolvaardtEvolutionary Studies Institute, University of the Witwatersrand, Johannesburg, 2050, South Africa.ORCID 0000-0001-8117-558X
Kenneth D AngielczykNegaunee Integrative Research Center, Field Museum of Natural History, Chicago, IL 60605.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Earth's largest biotic crisis occurred during the Permo-Triassic Transition (PTT). On land, this event witnessed a turnover from synapsid- to archosauromorph-dominated assemblages and a restructuring of terrestrial ecosystems. However, understanding extinction patterns has been limited by a lack of high-precision fossil occurrence data to resolve events on submillion-year timescales. We analyzed a unique database of 588 fossil tetrapod specimens from South Africa's Karoo Basin, spanning ∼4 My, and 13 stratigraphic bin intervals averaging 300,000 y each. Using sample-standardized methods, we characterized faunal assemblage dynamics during the PTT. High regional extinction rates occurred through a protracted interval of ∼1 Ma, initially co-occurring with low origination rates. This resulted in declining diversity up to the acme of extinction near the

Indexed as

Extinction, BiologicalFossilsAnimalsBiodiversityEcosystemSouth AfricaDiversity dynamicsKaroo BasinLystrosaurusMass extinctionPermo-Triassic

Identifiers

PMID33875588
PMCPMC8092562

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.