About the Authors

Elisabet Sañé

sane@icm.csic.es

Affiliation Department of Marine Geology, Institute of Marine Sciences (ICM-CSIC), Barcelona, Spain

Enrique Isla

Affiliation Department of Marine Geology, Institute of Marine Sciences (ICM-CSIC), Barcelona, Spain

María Ángeles Bárcena

Affiliation Department of Geology and Paleontology, University of Salamanca, Salamanca, Spain

David J. DeMaster

Affiliation Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, Raleigh, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ES EI MÁB DJD. Performed the experiments: ES MÁB. Analyzed the data: ES EI MÁB DJD. Contributed reagents/materials/analysis tools: ES EI MÁB. Wrote the paper: ES EI.