1. Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, USA
2. Department of Marine Zoology, Senckenberg Research Institute and Museum, Frankfurt, Germany
3. Anatomy Department, University of Otago, Dunedin, Otago, New Zealand
4. Centre for Biodiversity Genomics, Section for Ecology and Evolution, Department of Biology, University of Copenhagen, Copenhagen, Denmark