Christian Geier, BSc MSc

Wissenschaftlicher Projektmitarbeiter (prae doc)
Dissertant
Erdgeschoß, Zimmer 1
t: +43 (0)1 4277-540 00
m: christian.geier@univie.ac.at

 Titel der Dissertation

Blüten-Insekten Interaktionen im Eozän bis Oligozän von Mitteleuropa

Medienbeiträge

Forschungsinteressen

  • Palynologie
  • Ultrastruktur von Pflanzen
  • Computertomographie
  • Blüten-Insekten Interaktionen
  • Bestäubungsbiologie

 Curriculum Vitae

Derzeitige Anstellung

Ausbildung und wissenschaftliche Laufbahn

  • 2022– PhD Biologie
  • 2022 Masterarbeit "The late middle Miocene palynoflora of Gratkorn, Styria, Austria"
  • 2021 Studentischer Projektmitarbeiter FWF-Projekt P 29501-B25
  • 2020–2022 Masterstudium Botanik, Universität Wien
  • 2016–2020 Bachelorstudium Biologie, Schwerpunkt Botanik, Universität Wien (Titel der Bachelorarbeit: Investigations to the distribution of Microthlaspi erraticum and Microthlaspi perfoliatum in eastern Austria using ITS based phylogeny)

 Publikationen

Zeige Ergebnisse 1 - 20 von 42

2026

Ulrich, S., Purgina, C., Bouchal, J. M., Geier, C., & Grimsson, F. (2026). The use of transmission electron microscopy when investigating fossil angiosperm pollen: A review and suggestions for future applications. Review of Palaeobotany and Palynology, 344, Artikel 105423. https://doi.org/10.1016/j.revpalbo.2025.105423

2025

Geier, C., Engel, M. S., Bouchal, J. M., Ulrich, S., Schönenberger, J., Uhl, D., Wappler, T., Wedmann, S., Boudet, L., & Grimsson, F. (2025). 24 million years of pollination interaction between European linden flowers and bumble bees. New Phytologist, 248(4), 2111-2127. https://doi.org/10.1111/nph.70531
Pan, A. D., Jacobs, B. F., Currano, E. D., Gostel, M. R., Lowry, II, P. P., Plunkett, G. M., Hoffmann, J., Geier, C., & Grimsson, F. (2025). Fossil Astropanax Seem. (Araliaceae) from the early Miocene (21.73 Mya) Mush Valley plant assemblages of Ethiopia. Botanical Journal of the Linnean Society, 209(3), 280-302. Artikel boaf011. https://doi.org/10.1093/botlinnean/boaf011
Bouchal, J. M., Geier, C., Ulrich, S., Wilde, V., Lenz, O. K., Zetter, R., & Grimsson, F. (2025). Qualitative LM and SEM study of the Messel palynoflora: Part II. Fabales to Caryophyllales. Review of Palaeobotany and Palynology, 341, Artikel 105349. https://doi.org/10.1016/j.revpalbo.2025.105349
Geier, C., Ulrich, S., Bouchal, J. M., Zetter, R., Ngô Muller, V., Jacobs, B. F., Uhl, D., & Grimsson, F. (2025). Morphology and ultrastructure of Tilioideae pollen: how to differentiate Craigia, Mortoniodendron, and Tilia. Botanical studies, 66(1), Artikel 15. https://doi.org/10.1186/s40529-025-00463-1
Geier, C., Bouchal, J. M., Ulrich, S., & Grimsson, F. (2025). Identifying Tilioideae pollen in the fossil record using electron microscopy. in Abstract EGU25 Artikel EGU25-17212 https://doi.org/10.5194/egusphere-egu25-17212
Boudet, L., Geier, C., Engel, M. S., Grimsson, F., Bouchal, J. M., Ulrich, S., & Wedmann, S. (2025). Majesties among the insects - new crown wasps (Hymenoptera: Stephanidae) from the Eocene Messel Pit. in S. Wedmann, & K. T. Smith (Hrsg.), The World at the Time of Messel. Back to the Future?: International Senckenberg Conference. Conference Volume (S. 27). Senckenberg-Ges. für Naturforschung.
Geier, C., Bouchal, J. M., Boudet, L., Uhl, D., Engel, M. S., Nel, A., Ngo-Muller, V., Schönenberger, J., Ulrich, S., Wappler, T., Wedmann, S., & Grimsson, F. (2025). Paleo-pollination by Hymenoptera in the paleogene of Europe. in S. Wedmann, & K. T. Smith (Hrsg.), The World at the Time of Messel. Back to the Future?: International Senckenberg Conference. Conference Volume (S. 38). Senckenberg-Ges. für Naturforschung.
Boudet, L., Geier, C., Grimsson, F., Bouchal, J. M., Ulrich, S., Wappler, T., & Wedmann, S. (2025). Scoliid wasps from the eocene of Messel: pollinivory and pollination. in S. Wedmann, & K. T. Smith (Hrsg.), The World at the Time of Messel. Back to the Future?: International Senckenberg Conference. Conference Volume (S. 26). Senckenberg-Ges. für Naturforschung.

2024

Grimsson, F., Geier, C., Bouchal, J. M., Ulrich, S., Zetter, R., & Vieira, M. (2024). Fossil Hyaenanche Pollen from the Eocene of Kenya: The Paleophytogeograpy and Paleoclimate of a Relict Plant Genus Endemic to the Cape Province, South Africa. Biology, 13(12), Artikel 1079. https://doi.org/10.3390/biology13121079
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, 104(4), 999-1026. Artikel 104831. 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, 104(4), 949-962. Artikel s12549-024-00604-7. https://doi.org/10.1007/s12549-024-00604-7
Geier, C., Bouchal, J. M., Ulrich, S., Uhl, D., Wappler, T., Wedmann, S., Zetter, R., Schönenberger, J., & Grimsson, F. (2024). Potential pollinators and paleoecological aspects of Eocene Ludwigia (Onagraceae) from Eckfeld, Germany. Palaeoworld, 33(4), 1079-1104. https://doi.org/10.1016/j.palwor.2023.07.003
Auer, W., Geier, C., Bouchal, J. M., & Grimsson, F. (2024). Tilia americana. Webpublikation 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), Artikel 1008. https://doi.org/10.3390/plants13071008
Geier, C., Bouchal, J. M., & Grimsson, F. (2024). Tilia chinensis. Webpublikation https://www.paldat.org/pub/Tilia_chinensis/306674
Halbritter, H., Heigl, H., Auer, W., Gastaldi, C., Geier, C., Bouchal, J. M., & Grimsson, F. (2024). Tilia cordata. Webpublikation https://www.paldat.org/pub/Tilia_cordata/306671
Geier, C., Bouchal, J. M., & Grimsson, F. (2024). Tilia endochrysea. Webpublikation https://www.paldat.org/pub/Tilia_endochrysea/306676
Geier, C., Bouchal, J. M., & Grimsson, F. (2024). Tilia miqueliana. Webpublikation https://www.paldat.org/pub/Tilia_miqueliana/306675
Geier, C., Bouchal, J. M., & Grimsson, F. (2024). Tilia mongolica. Webpublikation https://www.paldat.org/pub/Tilia_mongolica/306670
Zeige Ergebnisse 1 - 20 von 42

Geier, C. (2022) The late middle Miocene palynoflora of Gratkorn, Styria, Austria. Universität Wien (Masterarbeit)

Geier, C. (2020) Investigations to the distribution of Microthlaspi erraticum and Microthlaspi perfoliatum in eastern Austria using ITS based phylogeny. Universität Wien (Bachelorarbeit)