ArticleNature communications2023
Bayesian analyses indicate bivalves did not drive the downfall of brachiopods following the Permian-Triassic mass extinction.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 21 citations in OpenAlex.
- Global patterns are key to understanding macroevolution.Communications biology · 2026Article
- Identifying biotic and abiotic roles in marine clade extinction.Nature ecology & evolution · 2026Article
- The timing and nature of marine ecosystem recovery following the Permian-Triassic mass extinction.npj biodiversity · 2026Review
- Morphological innovation did not drive diversification in Mesozoic-Cenozoic brachiopods.Nature ecology & evolution · 2024Article
- Ecological structure of diversity-dependent diversification in Phanerozoic marine bivalves.Biology letters · 2024Article
- Late Ordovician Mass Extinction: Earth, fire and ice.National science review · 2024Review
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Certain times of major biotic replacement have often been interpreted as broadly competitive, mediated by innovation in the succeeding clades. A classic example was the switch from brachiopods to bivalves as major seabed organisms following the Permian-Triassic mass extinction (PTME), ~252 million years ago. This was attributed to competitive exclusion of brachiopods by the better adapted bivalves or simply to the fact that brachiopods had been hit especially hard by the PTME. The brachiopod-bivalve switch is emblematic of the global turnover of marine faunas from Palaeozoic-type to Modern-type triggered by the PTME. Here, using Bayesian analyses, we find that unexpectedly the two clades displayed similar large-scale trends of diversification before the Jurassic. Insight from a multivariate birth-death model shows that the extinction of major brachiopod clades during the PTME set the stage for the brachiopod-bivalve switch, with differential responses to high ocean temperatures post-extinction further facilitating their displacement by bivalves. Our study strengthens evidence that brachiopods and bivalves were not competitors over macroevolutionary time scales, with extinction events and environmental stresses shaping their divergent fates.
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