What question did this study set out to answer?

This research aims to enhance understanding of biodiversity recovery by evaluating taxonomic distinctness metrics in marine bivalves following the Permian-Triassic extinction.

June 10, 2026PaleobiologyOpen Access

Rebuilding the taxonomic tree structure after a major mass extinction: a case study on taxonomic distinctness of marine Triassic bivalves

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Authors

MSMaría Gabriela SuárezUniversity of Zurich MHMichael HautmannUniversity of Zurich

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Implication

Randomized trial assesses taxonomic distinctness in marine bivalves, indicating prolonged recovery post-extinction.

Key Points

This research aims to enhance understanding of biodiversity recovery by evaluating taxonomic distinctness metrics in marine bivalves following the Permian-Triassic extinction.
Analyzed a dataset of 59 fossil faunas
Evaluated average taxonomic distinctness (AvTD) and variation in taxonomic distinctness (VarTD)
Investigated paleolatitudinal gradients in taxonomic structure
Early Triassic shows AvTD decrease and VarTD increase
Long-term trend indicates increasing AvTD and decreasing VarTD until the Norian
Recovery from the mass extinction lasted at least until the Norian, ~50 million years post-crisis

Cite This Study

Suárez et al. (2026) studied this question.

synapsesocial.com/papers/6a2900266f82f25be989cdbd https://doi.org/10.1017/pab.2026.10101

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Rebuilding the taxonomic tree structure after a major mass extinction: a case study on taxonomic distinctness of marine Triassic bivalves

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Implication

Key Points

Cite This Study

Rebuilding the taxonomic tree structure after a major mass extinction: a case study on taxonomic distinctness of marine Triassic bivalves

Discussion

Member takes

Implication

Key Points

Cite This Study

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