ArticleProceedings. Biological sciences2024
Tip dating and Bayes factors provide insight into the divergences of crown bird clades across the end-Cretaceous mass extinction.
Article in Proceedings. Biological sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Geologic history explains freshwater fish species richness across the conterminous USA.Global ecology and biogeography : a journal of macroecology · 2025Article
- New fossils imply a deeper origin of modern birds in the Mesozoic.National science review · 2025Review
- A complete and dynamic tree of birds.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Toward a Comprehensive Anatomical Matrix for Crown Birds: Phylogenetic Insights from the Pectoral Girdle and Forelimb Skeleton.Integrative organismal biology (Oxford, England) · 2025Article
- Whence the birds: 200 years of dinosaurs, avian antecedents.Biology letters · 2025Review
- Reply to Claramunt et al.: Robustness of the Cretaceous radiation of crown aves.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Tip dating and Bayes factors provide insight into the divergences of crown bird clades across the end-Cretaceous mass extinction.Proceedings. Biological sciences · 2024Article
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Abstract
The origin of crown birds (Neornithes) remains contentious owing to conflicting divergence time hypotheses obtained from alternative sources of data. The fossil record suggests limited diversification of Neornithes in the Late Mesozoic and a substantial radiation in the aftermath of the Cretaceous-Palaeogene (K-Pg) mass extinction, approximately 66 Ma. Molecular clock studies, however, have yielded estimates for neornithine origins ranging from the Early Cretaceous (130 Ma) to less than 10 Myr before the K-Pg. We use Bayes factors to compare the fit of node ages from different molecular clock studies to an independent morphological dataset. Our results allow us to reject scenarios of crown bird origins deep in the Early Cretaceous, as well as an origin of crown birds within the last 10 Myr of the Cretaceous. The scenario best supported by our analyses is one where Neornithes originated between the Early and Late Cretaceous (
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