About the Authors

Carl Dahlberg

Contributed equally to this work with: Carl Dahlberg, Hélène Auger

carl.dahlberg@marecol.gu.se (CD); auger@inaf.cnrs-gif.fr (HA)

Affiliation Department of Marine Ecology, Göteborg University, Fiskebäckskil, Sweden

Hélène Auger

Contributed equally to this work with: Carl Dahlberg, Hélène Auger

carl.dahlberg@marecol.gu.se (CD); auger@inaf.cnrs-gif.fr (HA)

Affiliation U1126/INRA 〈〈Morphogenèse du système nerveux des chordés〉〉 group, DEPSN, UPR2197, Institut Fessard, CNRS, Gif sur Yvette, France

Sam Dupont

Affiliation Department of Marine Ecology, Göteborg University, Fiskebäckskil, Sweden

Yasunori Sasakura

Affiliation Shimoda Marine Research Center, University of Tsukuba, Shimoda, Shizuoka, Japan

Mike Thorndyke

Affiliation Department of Marine Ecology, Göteborg University, Fiskebäckskil, Sweden

Jean-Stéphane Joly

Affiliation U1126/INRA 〈〈Morphogenèse du système nerveux des chordés〉〉 group, DEPSN, UPR2197, Institut Fessard, CNRS, Gif sur Yvette, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CMOD HA MT JSJ. Performed the experiments: CMOD HA. Analyzed the data: CMOD HA SD JSJ. Contributed reagents/materials/analysis tools: YS. Wrote the paper: CMOD HA SD MT JSJ.