Christian Geier, BSc MSc

Scientific project collaborator (prae doc)
PhD Student
Ground floor, room 1
t: +43 (0)1 4277-540 00
m: christian.geier@univie.ac.at

 Title of the Doctoral Thesis

Flower-insect interactions in the Eocene to Oligocene of Central Europe

Research interests

  • Palynology
  • Ultrastructure of plants
  • X-Ray CT
  • Flower-insect interactions
  • pollination biology

 Curriculum Vitae

Current position

Education and scientific career

  • 2022– PhD Biology
  • 2022 Master's Theses "The late middle Miocene palynoflora of Gratkorn, Styria, Austria"
  • 2021 Student project collaborator FWF-Project P 29501-B25
  • 2020–2022 Master's Programme Botany, University of Vienna
  • 2016–2020 Bachelor's in biology with specialization in botany, University of Vienna (Thesis: Investigations to the distribution of Microthlaspi erraticum and Microthlaspi perfoliatum in eastern Austria using ITS based phylogeny)

 Publications

Showing entries 21 - 32 out of 32

2024

Zetter, R., Geier, C., Bouchal, J. M., Ulrich, S., Hayes, P., Collinson , M., Ahmad, S., & Grimsson, F. (2024). Palynoflora of the Insect Limestone, late Eocene, UK. In J. Bek, & J. Votočková Frojdová (Eds.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (pp. 126). Article O-237 CZECH-IN s. r. o..
Bouchal, J. M., Geier, C., Ulrich, S., Wilde, V., Lenz, O. K., Zetter, R., & Grimsson, F. (2024). Qualitative LM and SEM study of the Messel palynoflora: part I. Algae to Vitales. Grana, 63(3), 193-246. https://doi.org/10.1080/00173134.2024.2375209
Bouchal, J. M., Ulrich, S., Geier, C., Zetter, R., Wilde, V., Lenz, O. K., & Grimsson, F. (2024). Reinvestigating the Messel palynoflora using combined LM and SEM. In J. Bek, & J. Votočková Frojdová (Eds.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (pp. 125). Article O-235 CZECH-IN s. r. o..

2023

Vieira, M., Bouchal, J. M., Geier, C., Ulrich, S., Zetter, R., & Grimsson, F. (2023). Earliest fossil pollen records of endemic African Sclerosperma palms and the palaeoecological aspects of the genus. Review of Palaeobotany and Palynology, 317, Article 104954. https://doi.org/10.1016/j.revpalbo.2023.104954
Geier, C., Bouchal, J. M., Ulrich, S., Uhl, D., Wappler, T., Wedmann, S., Zetter, R., & Grimsson, F. (2023). Collecting in situ/adhered pollen from fossil compressed angiosperm flowers. Review of Palaeobotany and Palynology, 310, 1-6. Article 104831. https://doi.org/10.1016/j.revpalbo.2022.104831
Geier, C., Bouchal, J. M., Ulrich, S., Wappler, T., & Grimsson, F. (2023). Fossil Onagraceae flower and insects with in situ or adhered pollen from the Eocene of Eckfeld, Germany. In Abstract EGU23 Article EGU23-6116 https://doi.org/10.5194/egusphere-egu23-6116
Bouchal, J. M., Geier, C., Ulrich, S., Wilde, V., Lenz, O. K., Zetter, R., & Grimsson, F. (2023). Revisiting the Messel palynoflora using a combined LM and SEM approach. In Abstracts of the European Geosciences Union General Assembly (Vol. 2023) https://doi.org/10.5194/egusphere-egu23-6499
Geier, C., Bouchal, J. M., Nel, A., Ngo-Muller, V., Schönenberger, J., Uhl, D., Ulrich, S., Wappler, T., Wedmann, S., & Grimsson, F. (2023). The history of European Paleogene flower-insect interactions unraveled using fossil flowers and insects and their associated pollen grains. In 24th Annual Meeting of the Society of Biological Systematics: Programme and Abstracts (pp. 21-22)
Geier, C., Bouchal, J. M., Nel, A., Ngo-Muller, V., Oberleitner, S., Uhl, D., Ulrich, S., Wappler, T., Wedmann, S., Zimmermann, D., & Grimsson, F. (2023). Tilioideae-Anthophila interactions in the Cenozoic of Europe. In Life and Planet 2023: Full Programme with Abstracts (pp. 63-64)

2022

Geier, C., Bouchal, J. M., Ulrich, S., Gross, M., Zetter, R., Denk, T., & Grimsson, F. (2022). Paleovegetation and paleoclimate inferences of the early late Sarmatian palynoflora from the Gleisdorf Fm. at Gratkorn, Styria, Austria. Review of Palaeobotany and Palynology, 307, Article 104767. https://doi.org/10.1016/j.revpalbo.2022.104767
Geier, C., Bouchal, J. M., Wappler, T., & Grimsson, F. (2022). Linking fossil angiosperm flowers and insects using in-situ and adhered pollen. In S. McLoughlin (Ed.), 11th European Palaeobotany and Palynology Conference: Abstracts, Program, and Proceedings Article O.052.
Wuttke, M., Poschmann, M. J., Bouchal, J. M., Geier, C., Ulrich, S., Grimsson, F., & Wappler, T. (2022). Pollen-feeding in a late Oligocene giant pelobatid tadpole from Lake Enspel (Westerwald Mountains, Germany). In Datz-Symposium & 30th International Workshop on Plant Taphonony: Program, Abstracts, Information (pp. 31).
Showing entries 21 - 32 out of 32

Geier, C. (2022) The late middle Miocene palynoflora of Gratkorn, Styria, Austria. University of Vienna (Masterthesis)

Geier, C. (2020) Investigations to the distribution of Microthlaspi erraticum and Microthlaspi perfoliatum in eastern Austria using ITS based phylogeny. University of Vienna (Bachelorthesis)