Controversial fossils suggest life began to move 2.1 billion years ago. New Scientist, February 11, 2019
https://www.newscientist.com/article/2193557-controversial-fossils-suggest-life-began-to-move-2-1-billion-years-ago/
The paper is:
Abderrazak El Albani, M. Gabriela Mangano, Luis A. Buatois, Stefan Bengtson, Armelle Riboulleau,
Andrey Bekker, Kurt Konhauser, Timothy Lyons, Claire Rollion-Bard, Olabode Bankole, Stellina
Gwenaelle Lekele Baghekema, Alain Meunier, Alain Trentesaux, Arnaud Mazurier, Jeremie
Aubineau, Claude Laforest, Claude Fontaine, Philippe Recourt, Ernest Chi Fru, Roberto
Macchiarelli, Jean Yves Reynaud, François Gauthier-Lafaye, and Donald E. Canfield, 2019,
Organism motility in an oxygenated shallow-marine environment 2.1 billion years ago
PNAS published ahead of print February 11, 2019 https://doi.org/10.1073/pnas.1815721116
https://www.pnas.org/content/early/2019/02/05/1815721116
Yours,
Paul H.