GENOMIC CLOCKS AND THE NEOPROTEROZOIC ORIGIN OF ANIMALS

HEDGES, S. Blair, BLAIR, Jaime E. and PISANI, Davide, Department of Biology and Astrobiology Research Center, Pennsylvania State Univ, 208 Mueller Lab, University Park, PA 16802, sbh1@psu.edu

Molecular clocks have been used to address the question of animal origins for the last several decades. The latest information on this topic, including analyses of genomes, and time estimates using multiple calibrations among vertebrates and invertebrates, will be discussed.

Session No. 205

P4. Neoproterozoic Geobiology: Fossils, Clocks, Isotopes, and Rocks

Wednesday, 5 November 2003: 8:00 AM-12:00 PM

Geological Society of America Abstracts with Programs. Vol. 35, No. 6, September 2003, p.517

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2003 Seattle Annual Meeting (November 2–5, 2003)

GENOMIC CLOCKS AND THE NEOPROTEROZOIC ORIGIN OF ANIMALS