1. Summary of major events in Earth history relating to the appearance of eukaryotic groups and the appearance of O2 in the atmosphere and in marine environments (see the text, and see also references 376 and 386).
Summary of major events in Earth history relating to the appearance of eukaryotic groups and the appearance of O2 in the atmosphere and in marine environments (see the text, and see also references 376 and 386). Ma, million years. (Reprinted from reference 229 with permission.)‏
Miklós Müller et al. Microbiol. Mol. Biol. Rev. 2012; doi: /MMBR