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Microfossils From the Eukaryotic Decline from Tonian NeoProterozoic Australia

Organic-walled microfossils of the mid-Neoproterozoic Alinya Formation, Officer Basin, Australia Authors: Reidman et al Abstract: Estimates of Precambrian eukaryotic diversity and disparity indicate broad trends of increase in the Mesoproterozoic Era, leading to a peak and then rapid decline by ca. 750 Ma. The organic-walled microfossil assemblage presented here is representative of that mid-Neoproterozoic height of eukaryotic species richness.
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