105 million years ago 44 million years ago


Selected Publications (see also Complete Publications)

  • Hedges, S. B., J. Marin, M. Suleski, M. Paymer & S. Kumar. 2015. Tree of Life Reveals Clock-Like Speciation and Diversification. Mol. Biol. Evol. 32(4):835–845 E-print, Supplement 1, Supplement 2
  • Hoffman, M. et al. 2010. The impact of conservation on the status of the World's vertebrates. Science 330: 1503-1509. E-print
  • Hedges, S. B., and S. Kumar (Eds.). 2009. The timetree of life. Oxford University Press, New York. 551 p. PDFs of all chapters
  • Heinicke, M. P., W. E. Duellman, and S. B. Hedges. 2007. Major Caribbean and Central American frog faunas originated by ancient oceanic dispersal. Proc. Natl. Acad. Sci. (USA) 104:10092-10097. E-print
  • Fry, B.G., N. Vidal, J. A. Norman, F. J. Vonk, H. Scheib, R. Ramjan, S. Kuruppu, K. Fung, S. B. Hedges, M. K. Richardson, W. C. Hodgson, V. Ignjatovic, R. Summerhayes, and E. Kochva. 2006. Early evolution of the venom system in lizards and snakes. Nature 439:584-588. E-print
  • Kumar, S., A. Filipski, V. Swarna, A. Walker & S. B. Hedges. 2005. Placing confidence limits on the molecular age of the human-chimpanzee divergence. Proc. Natl. Acad. Sci. (USA) 102:18842-18847. E-print
  • Hedges, S. B. 2003. The coelacanth of frogs. Nature 425:669-670. (Champagne Writing Award for best News & Views 2003). E-print
  • Hedges, S. B. 2002. The origin and evolution of model organisms. Nature Reviews Genetics 3:838-849. E-print
  • Hedges, S. B., and S. Kumar. 2002. Vertebrate genomes compared. Science 297:1283-1285. E-print
  • Heckman, D. S., D. M. Geiser, B. R. Eidell, R. L. Stauffer, N. L. Kardos, and S. B. Hedges. 2001. Molecular evidence for the early colonization of land by fungi and plants. Science 293:1129-1133. E-print
  • Hedges, S. B. 2001. Afrotheria: plate tectonics meets genomics. Proc. Nat. Acad. Sci. (USA) 98:1-2. E-print
  • Hedges, S. B. 2000. A start for population genomics. Nature 408:652-653. E-print
  • O'Brien, S. J., J. F. Eisenberg, M. Miyamoto, S. B. Hedges, S. Kumar, and D. E. Wilson. 1999. Comparative genomics: mammalian radiations. Genome Maps 10 (phylogenetic tree). Science 286:463-478. E-print
  • Hedges, S. B., and S. Kumar. 1999. Divergence times of eutherian mammals. Science 285:2031. E-print
  • Hedges, S. B., and L. L. Poling. 1999. A molecular phylogeny of reptiles. Science 283:998-1001. E-print
  • Stanhope, M. J., V. G. Waddell, O. Madsen, W. de Jong, S. B. Hedges, G. Cleven, D. Kao, and M. S. Springer. 1998. Molecular evidence for multiple origins of Insectivora and for a new order of endemic African insectivore mammals. Proc. Nat. Acad. Sci. (USA) 95:9967-9972. E-print
  • Schubart, C., R. Diesel, and S. B. Hedges. 1998. Rapid evolution to terrestrial life in Jamaican crabs. Nature 393:363-365. E-print
  • Kumar S., and S. B. Hedges. 1998. A molecular timescale for vertebrate evolution. Nature 392:917-920. ISI Hot Paper. E-print
  • Hedges, S. B., P. H. Parker, C. G. Sibley, and S. Kumar. 1996. Continental breakup and the ordinal diversification of birds and mammals. Nature 381:226-229. E-print
  • Hedges, S. B., Simmons, M. D., VanDikj, M. A., Caspers, G., DeJong, W. W., and C. G. Sibley. 1995. The phylogenetic relationships of the Hoatzin, an enigmatic South American bird. Proc. Nat. Acad. Sci. (USA) 92:11662-11665. E-print
  • Hedges, S. B., and M. H. Schweitzer. 1995. Detecting dinosaur DNA. Science 268:1191-1192. E-print
  • Hedges, S. B., and C. G. Sibley. 1994. Molecules vs. morphology in avian evolution: the case of the pelecaniform birds. Proc. Nat. Acad. Sci. (USA) 91:9861-9865. E-print
  • Hedges, S. B. 1994. Molecular evidence for the origin of birds. Proc. Natl. Acad. Sci. (U.S.A.) 91:2621-2624. E-print
  • Hedges, S. B., and C. A. Woods. 1993. Caribbean hot spot. Nature 364:375. E-print Timetree of Life
  • Hedges, S. B., C. A. Hass, and L. R. Maxson. 1993. Relations of fish and tetrapods. Nature 363:501-502. E-print
  • Hedges, S. B., J. P. Bogart, and L. R. Maxson. 1992. Ancestry of unisexual salamanders (genus Ambystoma). Nature 356:708-710. E-print
  • Hedges, S. B., C. A. Hass, and L. R. Maxson. 1992. Caribbean biogeography: Molecular evidence for dispersal in West Indian terrestrial vertebrates. Proc. Natl. Acad. Sci. (U.S.A.) 89:1909-1913. E-print
  • Hedges, S. B., S. Kumar, K. Tamura, and M. Stoneking. 1992. Human origins and analysis of mitochondrial DNA sequences. Science 255:737-739. E-print

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Last updated: 27 January 2013