About the Authors

Michelle T. Guzik

michelle.guzik@adelaide.edu.au

Affiliation Australian Centre for Evolutionary Biology and Biodiversity, School of Earth and Environmental Science, The University of Adelaide, North Terrace, Adelaide, South Australia, Australia

Mark A. Adams

Affiliations Australian Centre for Evolutionary Biology and Biodiversity, School of Earth and Environmental Science, The University of Adelaide, North Terrace, Adelaide, South Australia, Australia, Evolutionary Biology Unit, South Australian Museum, North Terrace, Adelaide, South Australia, Australia

Nicholas P. Murphy

Affiliation Department of Genetics, School of Molecular Science, La Trobe University, Bundoora Victoria, Australia

Steven J. B. Cooper

Affiliations Australian Centre for Evolutionary Biology and Biodiversity, School of Earth and Environmental Science, The University of Adelaide, North Terrace, Adelaide, South Australia, Australia, Evolutionary Biology Unit, South Australian Museum, North Terrace, Adelaide, South Australia, Australia

Andrew D. Austin

Affiliation Australian Centre for Evolutionary Biology and Biodiversity, School of Earth and Environmental Science, The University of Adelaide, North Terrace, Adelaide, South Australia, Australia

Competing Interests

The authors have read the journal’s policy and have the following conflicts: This study was partly funded by the BHP Billiton corporation. This does not alter the authors’ adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MTG MAA NPM. Performed the experiments: MTG MAA. Analyzed the data: MTG MAA. Contributed reagents/materials/analysis tools: SJBC AA. Wrote the paper: MTG. Assisted in review of manuscripts: SJBC AA.