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Additional Information

Competing Interests

The authors have declared that no competing interests exist. Christophe Hendrickx, Ricardo Araújo and Octávio Mateus are employed by the Museu da Lourinhã.

Author Contributions

Christophe Hendrickx 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.

Ricardo Araújo 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.

Octávio Mateus wrote the paper, reviewed drafts of the paper.

Data Deposition

The following information was supplied regarding the deposition of related data:

The supermatrix is planned to be deposited on DRYAD

Funding

This research was supported by the Fundação para a Ciência e a Tecnologia (FCT) scholarship SFRH/BD/62979/2009, and the European Science Foundation (ESF). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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