About the Authors

Roland B. Sookias

sookias.r.b@gmail.com

Affiliations School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, United Kingdom, GeoBio-Center, Ludwig-Maximilians-Universität München, München, Germany

Christine Böhmer

Current address: RIKEN Center for Developmental Biology, Kobe, Japan

Affiliations GeoBio-Center, Ludwig-Maximilians-Universität München, München, Germany, Dept. für Geo- und Umweltwissenschaften, Ludwig-Maximilians-Universität München, München, Germany, Bayerische Staatssammlung für Paläontologie und Geologie München, München, Germany

Jennifer A. Clack

Affiliation University Museum of Zoology Cambridge, Cambridge, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RBS JAC. Performed the experiments: RBS JAC. Analyzed the data: RBS JAC. Contributed reagents/materials/analysis tools: JAC CB. Wrote the paper: RBS JAC. Prepared figures and video: CB.