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OPal logo: a red-to-blue rainbow shaded simple rendering of a regular echinoid with lines of paired white dots representing the ambulacra and a central white circle representing the periproct. The OPal echinoid forms the "O" of the journal's abbreviation, "OPal", with the "Pal" written in light blue.

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Institute of Earth Sciences
Faculty of Geosciences and Environment
University of Lausanne
1015 Lausanne
Switzerland

Principal Contact

Harriet Drage & Thomas Wong Hearing
Managing Editors

Support Contact

Joseph Keating