• Cretaceous stratigraphy and paleoecology (Albium, Cenomanium, Turonium, Coniacium)
• Agglutinated Foraminifera
• Stable isotopes in paleontological research

Research papers (peer-reviewed)

3. Besen, R.M., Hegert, J. and Struck, U., 2022. The hidden agglutinated foraminifera of the mid-Cretaceous hemipelagic carbonate deposits: A method–derived bias? Marine Micropaleontology, 176, 102168.

2. Besen, R.M., Achilles, M., Alivernini, M., Voigt, T., Frenzel, P. and Struck, U., 2022. Stratigraphy and palaeoenvironments in the upper Turonian to lower Coniacian of the Saxonian Cretaceous Basin (Germany) – insights from calcareous and agglutinated foraminifers. Acta Geologica Polonica, 72 (2), 159–186.

1. Besen, R.M., Struck, U. and Seibertz, E., 2021. Albian to Turonian agglutinated foraminiferal assemblages of the Lower Saxony Cretaceous sub-basins – implications for sequence stratigraphy and paleoenvironmental interpretation. Fossil Record, 24, 395–441.

Other contributions

4. Besen, R.M., Hegert, J. and Struck, U., 2022. The hidden agglutinated foraminifera of the mid-Cretaceous hemipelagic carbonate deposits: A method–derived bias? - The Mi­cro­pa­lae­on­to­lo­gical So­ci­ety An­nual Con­fer­ence, Bremen, Germany, 9-11 November 2022

3. Besen, R.M., Achilles, M., Alivernini, M., Voigt, T., Frenzel, P. and Struck, U., 2022. Stratigraphy and palaeoenvironments in the upper Turonian to lower Coniacian of the Saxonian Cretaceous Basin (Germany) – insights from calcareous and agglutinated foraminifers. - 11th International Cretaceous Symposium, Warsaw, Poland, 22-26 August 2022.

2. Besen, R.M., 2017. An old method newly applied - Agglutinated foraminifera from the Albian to Turonian from Wunstorf (NW -Germany). - 10th International Workshop on Agglutinated Foraminifera, Smolenice Castle, Slovakia, 19-23 April 2017.

1. Seibertz, E. and Besen, R.M., 2015. Agglutinierende Foraminiferen in der Stufen- und Unterstufen-Grenzziehung des Albium bis Coniacium von Wunstorf (Niedersachsen). - Annual Meeting of the Paläontologische Gesellschaft, Schiffweiler-Reden, Germany, 14-16 September 2015.