About the Authors

Jean Just

jean-just@mail.dk

Affiliation Section of Biosystematics, Natural History Museum of Denmark (Zoological Museum), University of Copenhagen, Copenhagen, Denmark

Reinhardt Møbjerg Kristensen

Affiliation Section of Biosystematics, Natural History Museum of Denmark (Zoological Museum), University of Copenhagen, Copenhagen, Denmark

Jørgen Olesen

Affiliation Section of Biosystematics, Natural History Museum of Denmark (Zoological Museum), University of Copenhagen, Copenhagen, Denmark

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Contributed to the writing of the manuscript: JJ RMK JO. Found the specimens, initiated the study, wrote first draft of manuscript, and prepared Figs 2 and 6: JJ. Prepared and composed Figs 1, 3–5, 7, 8: JO. Discussed results: RMK JO.