Journal
SYSTEMATIC BOTANY
Volume 40, Issue 1, Pages 6-13Publisher
AMER SOC PLANT TAXONOMISTS
DOI: 10.1600/036364415X686297
Keywords
Clade age estimation; divergence time analysis; diversification rates; fossil calibration; molecular dating; rate heterogeneity
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Funding
- Office of Research
- Sponsored Programs at the University of New Orleans
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Divergence time analyses have become increasingly popular over the past several decades, partly due to the proliferation of molecular data, but also because of the development of methods that do not assume a strict molecular clock. In this review, I provide a brief background to the topic, then highlight several methods for relaxing the assumptions of a strict molecular clock. I discuss the pros and cons of many of these methods. Finally, I discuss the various techniques for incorporating fossils in molecular studies to estimate absolute ages of clades.
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