Research ArticlePALEONTOLOGY

Cellular remains in a ~3.42-billion-year-old subseafloor hydrothermal environment

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Science Advances  14 Jul 2021:
Vol. 7, no. 29, eabf3963
DOI: 10.1126/sciadv.abf3963

Article Information

vol. 7 no. 29

Online ISSN: 
  • Received for publication October 23, 2020
  • Accepted for publication May 28, 2021
  • .

Author Information

  1. Barbara Cavalazzi1,2,*,
  2. Laurence Lemelle3,
  3. Alexandre Simionovici4,5,
  4. Sherry L. Cady6,,
  5. Michael J. Russell7,
  6. Elena Bailo8,
  7. Roberto Canteri9,
  8. Emanuele Enrico10,
  9. Alain Manceau4,
  10. Assimo Maris11,
  11. Murielle Salomé12,
  12. Emilie Thomassot13,
  13. Nordine Bouden13,
  14. Rémi Tucoulou12 and
  15. Axel Hofmann2
  1. 1Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università di Bologna, Bologna, Italy.
  2. 2Department of Geology, University of Johannesburg, Johannesburg, South Africa.
  3. 3LGL-TPE, ENS de Lyon, Université de Lyon, CNRS, Lyon, France.
  4. 4ISTerre, University of Grenoble-Alpes, CNRS, Grenoble, France.
  5. 5Institut Universitaire de France, Paris, France.
  6. 6Pacific Northwest National Laboratory, EMSL, Richland, WA, USA.
  7. 7Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy.
  8. 8WITec GmbH, Ulm, Germany.
  9. 9FBK—Fondazione Bruno Kessler, Trento, Italy.
  10. 10INRiM, Istituto Nazionale di Ricerca Metrologica, Torino, Italy.
  11. 11Dipartimento di Chimica “Giacomo Ciamician,” Università di Bologna, Bologna, Italy.
  12. 12European Synchrotron Radiation Facility, Grenoble, France.
  13. 13Université de Lorraine, CNRS, CRPG, Nancy, France.
  1. *Corresponding author. Email: barbara.cavalazzi{at}
  • Present address: Department of Geology and Center for Life in Extreme Environments, Portland State University, Portland, OR 97201, USA.


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