Calibrating the genomic clock of modern birds using fossils

Santiago Claramunt; Edward L Braun; Joel Cracraft; Jon Fjeldså; Simon Y W Ho; Peter Houde; Jacqueline M T Nguyen; Josefin Stiller

doi:10.1073/pnas.2405887121

Calibrating the genomic clock of modern birds using fossils

Santiago Claramunt, Edward L Braun, Joel Cracraft, Jon Fjeldså, Simon Y W Ho, Peter Houde, Jacqueline M T Nguyen, Josefin Stiller

College of Science and Engineering

Research output: Contribution to journal › Letter › peer-review

1 Citation (Scopus)

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Abstract

Wu et al. (1) conducted a phylogenomic analysis resulting in a new time frame for the diversification of modern birds, concluding that the rapid radiation of Neoaves occurred well before the Cretaceous–Paleogene (K–Pg) extinction event and that this catastrophic event did not affect their diversification dynamics. Here, we show that the divergence times obtained by Wu et al. were compromised by problems with their choices of fossils and calibration strategy.

Original language	English
Article number	e2405887121
Number of pages	3
Journal	Proceedings of the National Academy of Sciences of the United States of America
Volume	121
Issue number	39
DOIs	https://doi.org/10.1073/pnas.2405887121
Publication status	Published - 24 Sept 2024

Keywords

Genomic clock
Birds
Fossils
Phylogenomic analysis

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10.1073/pnas.2405887121Licence: CC BY-NC-ND

Final published versionFinal published version, 581 KBLicence: CC BY-NC-ND

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AU - Braun, Edward L

AU - Cracraft, Joel

AU - Fjeldså, Jon

AU - Ho, Simon Y W

AU - Houde, Peter

AU - Nguyen, Jacqueline M T

AU - Stiller, Josefin

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AB - Wu et al. (1) conducted a phylogenomic analysis resulting in a new time frame for the diversification of modern birds, concluding that the rapid radiation of Neoaves occurred well before the Cretaceous–Paleogene (K–Pg) extinction event and that this catastrophic event did not affect their diversification dynamics. Here, we show that the divergence times obtained by Wu et al. were compromised by problems with their choices of fossils and calibration strategy.

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KW - Phylogenomic analysis

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Calibrating the genomic clock of modern birds using fossils

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