Movie S2.

(3D animation). Microtomographic reconstruction showing inner structures through transparency and sequence of virtual cross sections through specimens. This 3D animation focuses on the horizontally and vertically oriented string-shaped structures, their relationship with host rock and bacterial mats.

Organism motility in an oxygenated shallow-marine environment 2.1 billion years ago

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, Fran├žois Gauthier-Lafaye, and Donald E. Canfield

PNAS. 2019. 116:3431-3436 DOI: 10.1073/pnas.1815721116