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 1 - 20 out of 30

2024

Wuttke, M., Poschmann, M. J., Wappler, T., Bouchal, J. M., Geier, C., Ulrich, S., & Grimsson, F. (2024). Pollen-feeding in a giant pelobatid tadpole from the late Oligocene of Enspel, Germany. Palaeobiodiversity and Palaeoenvironments, [s12549-024-00603-8]. https://doi.org/10.1007/s12549-024-00603-8
Geier, C., Engel, M. S., Bouchal, J. M., Ulrich, S., Grimsson, F., Wedmann, S., & Wappler, T. (2024). The earliest large carpenter bee (Xylocopa) and its adhering pollen (Araliaceae, Theaceae). Palaeobiodiversity and Palaeoenvironments. https://doi.org/10.1007/s12549-024-00604-7
Auer, W. (Author), Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia americana. Web publication https://www.paldat.org/pub/Tilia_americana/306663
Ulrich, S., Vieira, M., Coiro, M., Bouchal, J. M., Geier, C., Jacobs, B. F., Currano, E. D., Lenz, O. K., Wilde, V., Zetter, R., & Grimsson, F. (2024). Origin and Early Evolution of Hydrocharitaceae and the Ancestral Role of Stratiotes. Plants, 13(7), [1008]. https://doi.org/10.3390/plants13071008
Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia chinensis. Web publication https://www.paldat.org/pub/Tilia_chinensis/306674
Halbritter, H. (Author), Heigl, H. (Author), Auer, W. (Author), Gastaldi, C. (Author), Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia cordata. Web publication https://www.paldat.org/pub/Tilia_cordata/306671
Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia endochrysea. Web publication https://www.paldat.org/pub/Tilia_endochrysea/306676
Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia miqueliana. Web publication https://www.paldat.org/pub/Tilia_miqueliana/306675
Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia mongolica. Web publication https://www.paldat.org/pub/Tilia_mongolica/306670
Halbritter, H. (Author), Hesse, M. (Author), Heigl, H. (Author), Auer, W. (Author), Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia platyphyllos. Web publication https://www.paldat.org/pub/Tilia_platyphyllos/306672
Sam, S. (Author), Heigl, H. (Author), Auer, W. (Author), Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia tomentosa. Web publication https://www.paldat.org/pub/Tilia_tomentosa/306673
Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia japonica. Web publication https://www.paldat.org/pub/Tilia_japonica/306664
Ulrich, S., Geier, C., Bouchal, J. M., Zetter, R., Schönenberger, J., Uhl, D., & Grimsson, F. (2024). Combined LM and EM investigations of pollen from compressed fossil flowers aid in their taxonomic assignment. In J. Bek, & J. Votočková Frojdová (Eds.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (pp. 125-126). [O-236] CZECH-IN s. r. o..
Till, A., Geier, C., Bouchal, J. M., Ulrich, S., Wedmann, S., Cantrill, D., & Grimsson, F. (2024). Did beetles visit Pseudanthus (Picrodendraceae) flowers in the Eocene of Europe? In J. Bek, & J. Votočková Frojdová (Eds.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (pp. 132-133). [O-248] CZECH-IN s. r. o..
Geier, C., Bouchal, J. M., Ulrich, S., Uhl, D., Wedmann, S., Wappler, T., & Grimsson, F. (2024). Eocene flower visitation of European Diptera and their potential pollinator role. In EGU General Assembly 2024 - Abstracts [egusphere-egu24-5607]. https://doi.org/10.5194/egusphere-egu24-5607
Grimsson, F., Geier, C., Bouchal, J. M., Ulrich, S., Schönenberger, J., Uhl, D., Wedmann, S., Zetter, R., & Wappler, T. (2024). Flowers and insects with in situ and/or adhered pollen from Eckfeld (Eocene) and Enspel (Oligocene), Germany. In J. Bek, & J. Votočková Frojdová (Eds.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (pp. 127). [O-238] CZECH-IN s. r. o..
Bouchal, J. M., Geier, C., Ulrich, S., Uhl, D., Wedmann, S., Wappler, T., & Grimsson, F. (2024). Fossil Coleoptera with in situ and adhered pollen from the Eocene of Eckfeld, Germany. In EGU General Assembly 2024 - Abstracts [egusphere-egu24-5326]. https://doi.org/10.5194/egusphere-egu24-5326
Geier, C., Bouchal, J. M., Ulrich, S., Zetter, R., Schönenberger, J., Uhl, D., Wedmann, S., Wappler, T., & Grimsson, F. (2024). Matching Messel flowers with their insect visitors via pollen. In J. Bek, & J. Votočková Frojdová (Eds.), XV International Palynological Congress - XI International Organization of Palaeobotany Conference: Abstract Book (pp. 124-125). [O-234] CZECH-IN s. r. o..
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). [O-237] CZECH-IN s. r. o..
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). [O-235] CZECH-IN s. r. o..
Showing entries 1 - 20 out of 30

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)