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Template:Tonian graphical timeline

From Wikipedia, the free encyclopedia
Events of the Tonian Period
1000 
950 
900 
850 
800 
750 
700 
Neoproterozoic
 
 
 
 
Beginning of the Sturtian glaciation
Sharp drop in the Stromatolite population[2]
End of the Boring Billion
Events of the Tonian Period
Vertical axis scale: Millions of years ago

References

  1. Brain, C. K.; Prave, A. R.; Hoffmann, K. H.; Fallik, A. E.; Herd D. A.; Sturrock, C.; Young, I.; Condon, D. J.; Allison, S. G. (2012). "The first animals: ca. 760-million-year-old sponge-like fossils from Namibia". South African Journal of Science. 108 (1/2): 1–8. doi:10.4102/sajs.v108i1/2.658.
  2. Bernhard, Joan (11 June 2013). "Insights into foraminiferal influences on microfabrics of microbialites at Highborne Cay, Bahamas". Proceedings of the National Academy of Sciences of the United States of America. 110 (24): 9830–9834. Bibcode:2013PNAS..110.9830B. doi:10.1073/pnas.1221721110. PMC 3683713. PMID 23716649.