title: An uncorrelated relaxed-clock analysis suggests an earlier origin for flowering plants.
authors.affiliation: National Evolutionary Synthesis Center, Durham, NC 27705, USA. sasmith@nescent.org
authors.forename: Stephen A
authors.initials: SA
authors.lastname: Smith
authors.forename: Jeremy M
authors.initials: JM
authors.lastname: Beaulieu
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Donoghue
mesh_terms: D000818:Animals; D001499:Bayes Theorem; D044822:Biodiversity; D019143:Evolution, Molecular; D005580:Fossils; D049690:History, Ancient; D007313:Insecta / Q000145:classification / Q000235:genetics; D016013:Likelihood Functions; D019684:Magnoliopsida / Q000145:classification* / Q000235:genetics*; D008957:Models, Genetic; D010802:Phylogeny; D011058:Pollen / Q000235:genetics; D013997:Time Factors