About the Authors

Brandon R. Peecook

Contributed equally to this work with: Brandon R. Peecook, Christian A. Sidor

Affiliations Department of Biology, University of Washington, Seattle, Washington, United States of America, Burke Museum, University of Washington, Seattle, Washington, United States of America

Christian A. Sidor

Contributed equally to this work with: Brandon R. Peecook, Christian A. Sidor

casidor@uw.edu

Affiliations Department of Biology, University of Washington, Seattle, Washington, United States of America, Burke Museum, University of Washington, Seattle, Washington, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BRP CAS. Performed the experiments: BRP CAS. Analyzed the data: BRP CAS. Contributed reagents/materials/analysis tools: BRP CAS. Wrote the paper: BRP CAS.