About the Authors

Adriana López-Arbarello

a.Lopez-Arbarello@lrz.uni-muenchen.de

Affiliation SNSB- Bavarian State Collection for Palaeontology and Geology, and GeoBio-Center Ludwig Maximilian University, Munich, Germany

Rudolf Stockar

Affiliation Museo Cantonale di Storia Naturale, Lugano, Switzerland

Toni Bürgin

Affiliation Naturmuseum, Gallen, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ALA RS. Performed the experiments: ALA. Analyzed the data: ALA. Contributed reagents/materials/analysis tools: ALA RS. Wrote the paper: ALA RS. Contributed significant ideas: ALA RS TB. Discussion of the conclusions: ALA RS TB.