About the Authors

Michael Eitel

meitel@hku.hk

Affiliations Stiftung Tierärztliche Hochschule Hannover, Institut für Tierökologie und Zellbiologie, Ecology and Evolution, Hannover, Germany, The Swire Institute of Marine Science, Faculty of Science, School of Biological Sciences, The University of Hong Kong, Hong Kong

Hans-Jürgen Osigus

Affiliation Stiftung Tierärztliche Hochschule Hannover, Institut für Tierökologie und Zellbiologie, Ecology and Evolution, Hannover, Germany

Rob DeSalle

Affiliation Sackler Institute for Comparative Genomics and Division of Invertebrate Zoology, American Museum of Natural History, New York, New York, United States of America

Bernd Schierwater

Affiliations Stiftung Tierärztliche Hochschule Hannover, Institut für Tierökologie und Zellbiologie, Ecology and Evolution, Hannover, Germany, Sackler Institute for Comparative Genomics and Division of Invertebrate Zoology, American Museum of Natural History, New York, New York, United States of America, Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, Connecticut, United States of America

Competing Interests

1. The senior author Bernd Schierwater is a PLOS ONE Editorial Board member. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials. 2. Michael Eitel, Hans-Jürgen Osigus, and Bernd Schierwater are affiliated with the “Stiftung Tierärztliche Hochschule Hannover, ITZ, Ecology and Evolution, Hannover, Germany." The “Stiftung Tierärztliche Hochschule Hannover" is the German name for the “University of Veterinary Medicine, Hannover" and thus it is not a commercial company. The “ITZ, Ecology and Evolution" is a non-commercial research institute of this university.

Author Contributions

Conceived and designed the experiments: ME HJO BS. Performed the experiments: ME HJO. Analyzed the data: ME HJO RD BS. Contributed reagents/materials/analysis tools: BS. Wrote the paper: ME HJO RD BS.