Large colonial organisms with coordinated growth in oxygenated environments 2.1 Gyr ago

@article{Albani2010LargeCO,
  title={Large colonial organisms with coordinated growth in oxygenated environments 2.1 Gyr ago},
  author={A. E. Albani and S. Bengtson and D. Canfield and A. Bekker and R. Macchiarelli and A. Mazurier and E. Hammarlund and P. Boulvais and J. Dupuy and C. Fontaine and F. F{\"u}rsich and F. Gauthier-Lafaye and P. Janvier and E. Javaux and F. Ossa and A. Pierson-Wickmann and A. Riboulleau and P. Sardini and D. Vachard and M. Whitehouse and A. Meunier},
  journal={Nature},
  year={2010},
  volume={466},
  pages={100-104}
}
The evidence for macroscopic life during the Palaeoproterozoic era (2.5–1.6 Gyr ago) is controversial. Except for the nearly 2-Gyr–old coil-shaped fossil Grypania spiralis, which may have been eukaryotic, evidence for morphological and taxonomic biodiversification of macroorganisms only occurs towards the beginning of the Mesoproterozoic era (1.6–1.0 Gyr). Here we report the discovery of centimetre-sized structures from the 2.1-Gyr-old black shales of the Palaeoproterozoic Francevillian B… Expand

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Organism motility in an oxygenated shallow-marine environment 2.1 billion years ago
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