Copernicus Publications and the Chief Editors of FR thank the following colleagues very much for their work in reviewing the manuscripts published in the journal volume 21, 2018.
- Eli Amson
- Nathalie Bardet
- John Barron
- Walter Berendsohn
- Annalisa Berta
- Paulo Brito
- Andris Bukejs
- Jorge Cubo
- Igor Danilov
- Kenneth De Baets
- Guillaume Dera
- Serjoscha Evers
- Leonid Friedman
- Nadia Fröbisch
- Madeleine Geiger
- Stjepko Golubic
- Ren Hirayama
- Donald Hobern
- Rene Hoffmann
- Walter Joyce
- Helmut Keupp
- Dirk Knaust
- Dimitris S. Kostopoulos
- Andreas Kroh
- Olivier Lambert
- Hillary Maddin
- Alison Murray
- Timothy Myers
- Johannes Müller
- Judith Pardo Perez
- Enrique Peñalver
- Benjamin Ramassamy
- Roberto Rozzi
- Torsten Scheyer
- Paul Selden
- Monica Solorzano-Kraemer
- Kevin Stevens
- Marcelo Ricardo Sánchez-Villagra
- Amane Tajika
- Haiyan Tong
- Mark D. Uhen
- Jakub Witkowski
- Andreas Wohltmann