About the Authors

Thomas G. Kaye


Affiliation Department of Paleontology, Burke Museum of Natural History, Seattle, Washington, United States of America

Gary Gaugler

Affiliation Microtechnics Inc., Granite Bay, California, United States of America

Zbigniew Sawlowicz

Affiliation Department of Geology, Jagiellonian University, Krakow, Poland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TGK GG ZS. Performed the experiments: TGK GG ZS. Analyzed the data: TGK GG ZS. Contributed reagents/materials/analysis tools: TGK GG ZS. Wrote the paper: TGK.