About the Authors

Paco Cárdenas

cardenas_paco@yahoo.fr

Current address: Muséum National d'Histoire Naturelle, Département Milieux et Peuplements Aquatiques, UMR “BOREA” 7208, Paris, France

Affiliation Department of Biology, University of Bergen, Bergen, Norway

Joana R. Xavier

Affiliations CIBIO – Research Centre for Biodiversity and Genetic Resources, CIBIO-Azores, Biology Department, University of the Azores, Azores, Portugal, CEAB – Center for Advanced Studies of Blanes (CSIC), Blanes, Spain

Julie Reveillaud

Affiliations Marine Biology Section, Biology Department, Ghent University, Ghent, Belgium, CeMoFE, Center for Molecular Phylogeny and Evolution, Ghent, Belgium

Christoffer Schander

Affiliations Department of Biology, University of Bergen, Bergen, Norway, Centre for Geobiology, University of Bergen, Bergen, Norway

Hans Tore Rapp

Affiliations Department of Biology, University of Bergen, Bergen, Norway, Centre for Geobiology, University of Bergen, Bergen, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PC HTR. Performed the experiments: PC. Analyzed the data: PC. Contributed reagents/materials/analysis tools: HTR CS JX JR. Wrote the paper: PC. Collection of specimens: PC HTR CS JX JR. Identification of specimens: PC HTR JX. Phylogenetic analyses: PC. Contributed to the paper: HTR CS JX JR.