About the Authors

David W. E. Hone

dwe_hone@yahoo.com

Current address: Department of Earth Sciences, University of Bristol, Bristol, United Kingdom

Affiliation Department of Biology and Environmental Sciences, University College Dublin, Dublin, Ireland

Helmut Tischlinger

Affiliation Tannenweg 16, Stammham, Germany

Eberhard Frey

Affiliation Staatliches Museum für Naturkunde Karlsruhe, Karlsruhe, Germany

Martin Röper

Affiliation Museum Solnhofen, Bahnhofstraße 8, Solnhofen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DWEH HT EF MR. Performed the experiments: HT. Analyzed the data: DWEH HT EF. Contributed reagents/materials/analysis tools: HT MR. Wrote the paper: DWEH HT EF MR.