About the Authors

Thomas G. Kaye
Department of Paleontology, Burke Museum of Natural History, Seattle, Washington, United States of America

Gary Gaugler
Microtechnics Inc., Granite Bay, California, United States of America

Zbigniew Sawlowicz
Department of Geology, Jagiellonian University, Krakow, Poland

Corresponding Author

tomkaye@u.washington.edu

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.