About the Authors

Jingchun Li

jingchun@umich.edu

Affiliation Museum of Zoology, Department of Ecology and Evolutionary Biology, The University of Michigan, Ann Arbor, Michigan, United States of America

Diarmaid Ó Foighil

Affiliation Museum of Zoology, Department of Ecology and Evolutionary Biology, The University of Michigan, Ann Arbor, Michigan, United States of America

Peter Middelfart

Affiliation Australian Museum, Sydney, New South Wales, Australia

Competing Interests

One of the authors, PM, is employed as a research scientist by the Australian Museum. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials. The other two authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JL DÓF. Performed the experiments: JL PM. Analyzed the data: JL DÓF. Contributed reagents/materials/analysis tools: PM. Wrote the paper: JL DÓF.