Earth’s earliest non-marine eukaryotes

Paul K. Strother (), Leila Battison, Martin D. Brasier and Charles H. Wellman
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Paul K. Strother: Boston College
Leila Battison: University of Oxford
Martin D. Brasier: University of Oxford
Charles H. Wellman: The University of Sheffield

Nature, 2011, vol. 473, issue 7348, 505-509

Abstract: An early move to fresh water Fossil discoveries in billion-year-old Precambrian shales from the Torridonian of the northwest Scottish Highlands suggest that the eukaryotes that evolved to live on the land emerged from the sea earlier than previously thought. Life originated in the sea more than three billion years ago, but the timing of the first stirrings on land is less clear. The microfossil assemblages were deposited in former lake beds and siliciclastic microbial mats, and represent members of a diverse population of multicellular organisms up to 1 millimetre long, with organic walls. They appear to have been simple eukaryotes that lived in freshwater, and were perhaps partly exposed to the atmosphere at times.

Date: 2011
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DOI: 10.1038/nature09943

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