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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Troy Myers conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Data Deposition

The following information was supplied regarding data availability:

The research in this article did not generate any data or code.


This work was supported by a PANGEA Research Grant (2016 Round 2). Fossil research at Riversleigh is supported by Australian Research Council grants LP100200486, DE130100467, DP130100197 and DP170101420. Support received from P. Creaser and the CREATE Fund; the Queensland Parks and Wildlife Service; Riversleigh Society Inc.; Environment Australia; Associated Scientific Limited; Outback at Isa; and private supporters including K. & M. Pettit, E. Clark, M. Beavis, M. Dickson, S. Lavarack and the Rackham family The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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