Palaeoenvironmental reconstruction of a lower to middle Permian terrestrial composite succession from the Catalan Pyrenees: Implications for the evolution of tetrapod ecosystems in equatorial Pangaea

De Jaime-Soguero, Chabier; Mujal, Eudald; Oms, Oriol; Bolet, Arnau; Dinarès-Turell, Jaume; Ibáñez-Insa, Jordi; Fortuny, Josep

doi:10.1016/j.palaeo.2023.111837

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Cited by 3 publications

References 124 publications

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Permian vertebrate tracks

Marchetti,

Mujal,

Logghe

et al. 2025

Vertebrate Ichnology

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Permian vertebrate tracks

Marchetti,

Mujal,

Logghe

et al. 2025

Vertebrate Ichnology

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Jurassic vertebrate tracks and traces

Foster,

Harris,

Milner

et al. 2025

Vertebrate Ichnology

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Early–middle Permian Mediterranean gorgonopsian suggests an equatorial origin of therapsids

Matamales-Andreu,

Kammerer,

Angielczyk

et al. 2024

Nat Commun

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Therapsids were a dominant component of middle–late Permian terrestrial ecosystems worldwide, eventually giving rise to mammals during the early Mesozoic. However, little is currently known about the time and place of origin of Therapsida. Here we describe a definitive therapsid from the lower–?middle Permian palaeotropics, a partial skeleton of a gorgonopsian from the island of Mallorca, western Mediterranean. This specimen represents, to our knowledge, the oldest gorgonopsian record worldwide, and possibly the oldest known therapsid. Using emerging relaxed clock models, we provide a quantitative timeline for the origin and early diversification of therapsids, indicating a long ghost lineage leading to the evolutionary radiation of all major therapsid clades within less than 10 Myr, in the aftermath of Olson’s Extinction. Our findings place this unambiguous early therapsid in an ancient summer wet biome of equatorial Pangaea, thus suggesting that the group originated in tropical rather than temperate regions.

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Palaeoenvironmental reconstruction of a lower to middle Permian terrestrial composite succession from the Catalan Pyrenees: Implications for the evolution of tetrapod ecosystems in equatorial Pangaea

Cited by 3 publications

References 124 publications

Permian vertebrate tracks

Permian vertebrate tracks

Jurassic vertebrate tracks and traces

Early–middle Permian Mediterranean gorgonopsian suggests an equatorial origin of therapsids

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