Corpus ID: 85928175

Calibrating and constraining molecular clocks

  title={Calibrating and constraining molecular clocks},
  author={M. Benton and P. Donoghue and R. Asher},
  • M. Benton, P. Donoghue, R. Asher
  • Published 2009
  • Biology
  • In dating phylogenetic trees, it is important to work to the strengths of paleontology and molecular phylogeny estimation. Minimum constraints on calibrations (i.e., oldest fossils in a crown clade) may be calculated with some precision and may be treated as hard bounds, while maximum constraints are soft bounds that may be represented most honestly by probability distributions that refl ect the distribution of fossiliferous rocks around the time in question, but allow a small probability of… CONTINUE READING
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