A Triassic crown squamate Article Swipe

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David I. Whiteside , Sofía A. V. Chambi-Trowell , Michael J. Benton ·

YOU? · · 2022 · Open Access · · DOI: https://doi.org/10.1126/sciadv.abq8274

Mammals, birds, and squamates (lizards, snakes, and relatives) are key living vertebrates, and thus understanding their evolution underpins important questions in biodiversity science. Whereas the origins of mammals and birds are relatively well understood, the roots of squamates have been obscure. Here, we report a modern-type lizard from the Late Triassic of England [202 million years (Ma)], comprising a partial skeleton, skull, and mandibles. It displays at least 15 unique squamate traits and further shares unidentatan and anguimorph apomorphies. The new discovery fixes the origin of crown Squamata as much older than had been thought, and the revised dating shows substantial diversification of modern-type squamates following the Carnian Pluvial Episode, 232 Ma ago.

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Squamata Lizard Vertebrate Biology Biodiversity Skull Diversification (marketing strategy) Evolutionary biology Ecology Zoology Geography Paleontology Marketing Gene Business Biochemistry

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Type: article
Language: en
Landing Page: https://doi.org/10.1126/sciadv.abq8274
PDF: https://www.science.org/doi/pdf/10.1126/sciadv.abq8274?download=true
OA Status: gold
Cited By: 20
References: 53
Related Works: 10
OpenAlex ID: https://openalex.org/W4310576421

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DOI: https://doi.org/10.1126/sciadv.abq8274

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Title: A Triassic crown squamate

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Type: article

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Language: en

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Publication year: 2022

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Publication date: 2022-12-02

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Authors: David I. Whiteside, Sofía A. V. Chambi-Trowell, Michael J. Benton

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Landing page: https://doi.org/10.1126/sciadv.abq8274

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Concepts: Squamata, Lizard, Vertebrate, Biology, Biodiversity, Skull, Diversification (marketing strategy), Evolutionary biology, Ecology, Zoology, Geography, Paleontology, Marketing, Gene, Business, Biochemistry

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Cited by: 20

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