About the Authors

Antonio J. Osuna-Mascaró

tay@ugr.es

Affiliation Departamento de Estratigrafía y Paleontología, Facultad de Ciencias, Universidad de Granada, Av. Fuentenueva, S/N 18071, Granada, Spain

Teresa Cruz-Bustos

Affiliation Departamento de Bioquímica y Parasitología Molecular, Facultad de Ciencias, Universidad de Granada, Av. Fuentenueva, S/N 18071, Granada, Spain

Frédéric Marin

Affiliation UMR CNRS 6282 Biogéosciences, Université de Bourgogne, 6 Bd. Gabriel, 21000, Dijon, France

Antonio G. Checa

Affiliation Departamento de Estratigrafía y Paleontología, Facultad de Ciencias, Universidad de Granada, Av. Fuentenueva, S/N 18071, Granada, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AOM TCB. Performed the experiments: AOM TCB. Analyzed the data: AOM TCB AC. Contributed reagents/materials/analysis tools: FM. Wrote the paper: AOM. Revised the manuscript for important conceptual content: AC.