About the Authors

Sven Sachs


Affiliation Engelskirchen, Germany

Benjamin P. Kear

Affiliation Department of Earth Sciences, Uppsala University, Uppsala, Sweden

Michael J. Everhart

Affiliation Sternberg Museum of Natural History, Fort Hays State University, Hays, Kansas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SS BPK ME. Performed the experiments: SS BPK ME. Analyzed the data: SS BPK ME. Contributed reagents/materials/analysis tools: SS BPK ME. Wrote the paper: SS BPK ME. Prepared figures: SS.