Testing the Cambrian explosion hypothesis by using a molecular dating technique

L Bromham, A Rambaut, R Fortey, A Cooper, D Penny

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Molecular studies have the potential to shed light on the origin of the animal phyla by providing independent estimates of the divergence times, but have been criticized for failing to account adequately for variation in rate of evolution. A method of dating divergence times from molecular data addresses the criticisms of earlier studies and provides more realistic, but wider, confidence intervals. The data are not compatible with the Cambrian explosion hypothesis as an explanation for the origin of metazoan phyla, and provide additional support for an extended period of Precambrian metazoan diversification.

Original languageEnglish
Pages (from-to)12386-12389
Number of pages4
JournalProceedings of the National Academy of Sciences (PNAS)
Volume95
Issue number21
DOIs
Publication statusPublished - 13 Oct 1998

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