About the Authors

Rui Castanhinha

Contributed equally to this work with: Rui Castanhinha, Ricardo Araújo

rcastanhinha@gmail.com

Affiliations Instituto Gulbenkian de Ciência, Oeiras, Portugal, Museu da Lourinhã, Lourinhã, Portugal

Ricardo Araújo

Contributed equally to this work with: Rui Castanhinha, Ricardo Araújo

Affiliations Museu da Lourinhã, Lourinhã, Portugal, Huffington Department of Earth Sciences, Southern Methodist University, Dallas, Texas, United States of America

Luís C. Júnior

Affiliation Museu Nacional de Geologia, Maputo, Moçambique

Kenneth D. Angielczyk

Affiliation Integrative Research Center, Field Museum of Natural History, Chicago, Illinois, United States of America

Gabriel G. Martins

Current address: Instituto Gulbenkian de Ciência, Oeiras, Portugal

Affiliation Centro de Biologia Ambiental, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal

Rui M. S. Martins

Affiliations Museu da Lourinhã, Lourinhã, Portugal, Campus Tecnológico e Nuclear, Instituto Superior Técnico, Bobadela, Portugal, Centro de Investigação em Materiais, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal, Centro de Física Nuclear da Universidade de Lisboa, Lisboa, Portugal

Claudine Chaouiya

Affiliation Instituto Gulbenkian de Ciência, Oeiras, Portugal

Felix Beckmann

Affiliation Helmholtz-Zentrum Geesthacht, Geesthacht, Germany

Fabian Wilde

Affiliation Helmholtz-Zentrum Geesthacht, Geesthacht, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RC RA LCJ KDA GGM RMSM CC. Performed the experiments: RC KDA GGM RMSM CC FB FW. Analyzed the data: RC RA KDA GGM RMSM CC. Contributed reagents/materials/analysis tools: RC RA LCJ KDA GGM RMSM CC FB FW. Wrote the paper: RC RA KDA GGM RMSM. Participated in the field work: RC RA LCJ.