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A Basin Redox Transect at the Dawn of Animal Life
(Elsevier BV, 2013)
Multiple eukaryotic clades make their first appearance in the fossil record between ~810 and 715 Ma. Molecular clock studies suggest that the origin of animal multicellularity may have been part of this broader eukaryotic ...
Oxygen, Ecology, and the Cambrian Radiation of Animals
(Proceedings of the National Academy of Sciences, 2013)
The Proterozoic-Cambrian transition records the appearance of essentially all animal body plans (phyla), yet to date no single hypothesis adequately explains both the timing of the event and the evident increase in diversity ...