When did oxygenic photosynthesis evolve?

Thu, 2012-05-31 17:16 -- NAIVPL
Full Citation: 
2008: Buick R, When did oxygenic photosynthesis evolve? Phil. Trans. Roy. Soc. B, 363, 2731-2743.
VPL Research Tasks: 
Task B: Earth through Time
VPL Authors: 
buick