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  • Laura Wegener Parfrey, Daniel J. G. Lahr, Andrew H. Knoll, Laura A Katz
  • Biology, Medicine
  • Proceedings of the National Academy of Sciences
  • 2011 (First Publication: 2 August 2011)
  • Although macroscopic plants, animals, and fungi are the most familiar eukaryotes, the bulk of eukaryotic diversity is microbial. Elucidating the timing of diversification among the more than 70Expand
  • Jochen J. Brocks, Gordon D Love, Roger Everett Summons, Andrew H. Knoll, Graham A. Logan, Stephen A. Bowden
  • Biology, Medicine
  • Nature
  • 2005 (First Publication: 1 October 2005)
  • The disappearance of iron formations from the geological record ∼1.8 billion years (Gyr) ago was the consequence of rising oxygen levels in the atmosphere starting 2.45–2.32 Gyr ago. It marks the endExpand