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Department of Geoscience

Publications from Department of Geoscience

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Friis, E. M., Pedersen, K. R. & Niebuhr, B. (Ed.) (2002). Angiosperm diversity turnover in the mid-Cretaceous. (21 ed.) (pp. 0-0). Deutsche Geologische Gesellschaft, Hannover.

Friis, E. M., Pedersen, K. R., Schönenberger, J., Schönenberger, J. (Ed.), Balthazar, M. (Ed.) & Matthews, M. (Ed.) (2002). A new genus of Normapolles producing flowers from the Late Cretaceous of Portugal. (pp. 0-0). Institute of Systematic Botany and Botanical Garden, University of Zurich, Switzerland.

Friis, E. M. & Pedersen, K. R. (2003). Changes in angiosperm diversity through the Cretaceous. Paper presented at Royal Danish Academy of Science and Letters, Copenhagen (May 2003).

Friis, E. M., Pedersen, K. R. & Schönenberger, J. (2003). Endressianthus, a new Normapolles producing plant genus of fagalean affinity from the Late Cretaceous of Portugal. International Journal of Plant Sciences, 164, 201-223.

Friis, E. M. & Pedersen, K. R. (2004). An Early Cretaceous flower with affinity to the Ranunculales. Paper presented at Bariloche, Argentina March 21st-26th 2004.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2004). Araceae from the Early Cretaceous of Portugal: New evidence on the emergence of monocotyledons. Proceedings of the National Academy of Science, USA, 101, 16565-16570.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2005). When Earth started blooming: insights from the fossil record. Current Opinion in Plant Biology, 8, 1-8.

Friis, E. M., Schönenberger, J. & Pedersen, K. R. (2005). Flowers and phylogenetic affinities of Normapolles plants - a complex of extinct fagalean lineages. In XVII International Botanical Congress, Abstracts (pp. 169-169)

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2005). Pollen diversity and pollination biology in early angiosperms: evidence from pollen in situ in anthers and coprolites. In A Palynology Day, Abstract (pp. 1). Linnean Society of London.

Friis, H., Poulsen, M. L. K., Svendsen, J. B. & Hamberg, L. (2007). Discrimination of density flow deposits using elemental geochemistry - implications for subtle provenance differentiation in a narrow submarine canyon, Palaeogene, Danish North Sea. Marine and Petroleum Geology, 24(4), 221-235.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2006). Cretaceous angiosperm flowers: Innovation and evolution in plant reproduction. Palaeogeography, Palaeoclimatology, Palaeoecology, 232, 251-293.

Friis, E. M., Pedersen, K. R. & Schönenberger, J. (2006). Normapolles plants: a prominent component of the Cretaceous rosid diversification. Plant Systematics and Evolution, 107-140.

Friis, E. M., Pedersen, K. R. & Bengtson, S. (2006). New information on old flowers: non-destructive anatomical studies of charcoalified fossils from the Cretaceous. In 7th European Palaeobotany-Palynology Conference (pp. 40)

Friis, E. M., Crane, P. R., Pedersen, K. R., Bengtson, S., Donoghue, P. C. J., Grimm, G. W. & Stamponi, M. (2007). Phase-contrast X-ray microtomography links Cretaceous seeds with Gnetales and Bennettitales. Nature, 450, 549-552.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2009). Early Cretaceous mesofossils from Portugal and eastern North America related to the Bennettitales-Erdtmanithecales-Gnetales group. American Journal of Botany, 96(1), 252-283. https://doi.org/10.3732/ajb.0800113

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2008). New diversity among the Mesozoic Bennettitales-Erdtmanithecales-Gnetales alliance. Terra Nostra, 84.

Friis, E. M., Pedersen, K. R., Crane, P. R. & Stampani, M. (2008). Reconstruction internal features of mesofossils using synchrotron-radiation X-ray tomographic microscopy. Terra Nostra, 85.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2008). Darwin's abominable mystery: a palaeontological perspective. Abstract from 33rd International Geological Congress, Oslo, Norway.

Friis, H., Sylvestersen, R. L., Nebel, L. N., Poulsen, M. L. K. & Svendsen, J. B. (2010). Hydrothermally influenced cementation of sandstone: an example from deeply buried Cambrian sandstones from Bornholm, Denmark. Sedimentary Geology, 227(1-4), 11-19. https://doi.org/10.1016/j.sedgeo.2010.03.002

Friis, E. M., Pedersen, K. R., von Balthazar, M., Grimm, G. W. & Crane, P. R. (2009). Monetianthus mirus gen. et sp. Nov., a nymphaealean flower from the Early Cretaceous of Portugal. International Journal of Plant Sciences, 170(8), 1086-1101.

Friis, E. M. & Pedersen, K. R. (2009). Darwin's abominable mystery. Terra Nostra, (3), 34.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2010). Diversity in obscurity: fossil flowers and the early history of angiosperms. Philosophical Transactions of the Royal Society B: Biological Sciences, 365(1539), 369-382. https://doi.org/10.1098/rstb.2009.0227

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2010). Cretaceous diversification of angiosperms in the western part of the Iberian Peninsula. Review of Palaeobotany and Palynology, 162(3), 341-361. https://doi.org/10.1016/j.revpalbo.2009.11.009

Friis, E. M. & Pedersen, K. R. (2011). Canrightia resinifera gen. et sp. nov., a new extinct angiosperm with Retinomonocolpites-type pollen from Early Cretaceous of Portugal: missing link in the eumagnoliid tree. Grana, 50(1), 3-29. https://doi.org/10.1080/00173134.2011.559728

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2011). The Early Flowers and Angiosperm Evolution. Cambridge University Press.

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2009). Darwin's abominable mystery and the fossil record of early flowers.. Abstract from Darwin in Seville, Sevilla, Spain. http://institucional.us.es/darwin09/friis_ING.html

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2009). Early Cretaceous Flowers and the Darwin Mystery. Abstract from Darwin China 200 Conference, Beijing, China. http://www.Darwin200.cn/bio/Friis_EM.html#Friis_EM_CV

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2009). The fossil record of flowering plants: Does it solve Darwin's mystery?. Abstract from Darwin's Evolution, Stockholm, Sweden. http://www.nrm.se/en/menu/researchandcollections/research/symposiumdarwinsevolution/elsemariefriis.9225.html

Friis, E. M. & Pedersen, K. R. (2010). Cretaceous flowering plants: diversity patterns and ecological radiation. Abstract from Int. symposium about Dinosaurs Palaeontology and their Environment, Burgos, Spain.

Friis, E. M. & Pedersen, K. R. (2010). Early phases of angiosperm evolution: Evidence from the Torres Vedras mesofossil flora (p. 95). Abstract from European Palaeobotany-Palynology Conference, Budapest, Hungary.

Friis, E. M. & Pedersen, K. R. (2012). Bertilanthus scanicus, a new asterid flower from the Late Cretaceous (Late Santonian-Early Campanian) of Scania, Sweden. International Journal of Plant Sciences, 173(3), 318-330. https://doi.org/10.1086/663973

Friis, E. M., Pedersen, K. R. & Endress, P. K. (2012). Returning to old friends: Reexamination of Silvianthemum suecicum using SXRTM. Abstract from IPC/IOPC, Tokyo, Japan. http://www.psj3.org/ipc-iopc2012/Download_files/SS22.pdf

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2012). Square seeds and Early Cretaceous chlamydosperm diversity.. Abstract from IPC/IOPC, Tokyo, Japan. http://www.psj3.org/ipc-iopc2012/Download_files/SS23.pdf

Friis, E. M. & Pedersen, K. R. (2012). The enigma of angiosperm origin.. Abstract from IUBS General Assembly and Conference on Biological Sciences and Bioindustry, Suzhou, China. http://www.planta.cn/forum/files_planta/31st_iubs_program_book_07_03_765.pdf

Friis, E. M. & Pedersen, K. R. (2012). Reproductive biology and early flowers. Plant Biology Initiative at Harvard. Abstract from Annual Plant Biology Symposium, Cambridge, Massachusetts, United States.

Friis, H., Molenaar, N. & Varming, T. (2014). Chlorite meniscus cement - implications for diagenetic mineral growth after oil emplacement. Terra Nova, 26(1), 14-21. https://doi.org/10.1111/ter.12061

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2013). New diversity among Chlamydospermous seeds from the Early Cretaceous Silvianthemum and Bertilanthus. International Journal of Plant Sciences, 174(3, Special Issue: Conceptual Advances in Fossil Plant Biology), 530-558. https://doi.org/10.1086/668250

Friis, E. M., Pedersen, K. R. & Endress, P. K. (2013). Floral structure of extant Quintinia (Paracryphiales, campanulids) compared with the Late Cretaceous Silvianthemum and Bertilanthus. International Journal of Plant Sciences, 174(4), 647-664. https://doi.org/10.1086/669908

Friis, E. M., Pedersen, K. R. & Marone, F. (2013). New Arcellites megasporees from the Early Cretaceous of Portugal studied using SEM and SRxtm.. Abstract from Symposium Green Planet, Leiden, Netherlands.

Friis, E. M. & Pedersen, K. R. (2013). Early flowers and angiosperm evolution. Abstract from Congresso della Società Botanica Italiana, Baselga di Piné (Trento), Italy.

Friis, H., Sylvestersen, R. & Poulsen, M. L. K. (2003). Fracture related cements in clastic dikes and Cambrian sandstone (Bornholm, Denmark). G F F, 125, 105. https://doi.org/10.1080/11035890301252101

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2014). Welwitschioid diversity in the Early Cretaceous: Evidence from fossil seeds with pollen from Portugal and eastern North America. Grana, 53(3), 175-196. https://doi.org/10.1080/00173134.2014.915980

Friis, E. M., Pedersen, K. R. & Marone, F. (2014). Arcellites punctatus sp nov. a new megaspore from the Early Cretaceous of Portugal studied using high resolution synchrotron radiation X-ray tomographic microscopy (SRXTM). Grana, 53(2), 91-102. https://doi.org/10.1080/00173134.2014.910547

Friis, E. M. & Pedersen, K. R. (2014). Chlamydospermous seeds and early angiosperms. Abstract from 9th European Paleobotany-Palynology Conference, Padova, Italy.

Friis, E. M., Marone, F., Pedersen, K. R., Crane, P. R. & Stampanoni, M. (2014). Three-dimensional visualization of fossil flowers, fruits, seeds, and other plant remains using synchrotron radiation X-ray tomographic microscopy (SRXTM): New insights into Cretaceous plant diversity. Journal of Paleontology, 88(4), 684-701. https://doi.org/10.1666/13-099

Friis, E. M. & Pedersen, K. R. (2015). Early Angiosperm Flowers and Angiosperm Evolution.

Friis, E. M., Grimm, G. W., Mendes, M. M. & Pedersen, K. R. (2015). Canrightiopsis, a new Early Cretaceous fossil with Clavatipollenites-type pollen bridge the gap between extinct Canrightia and extant Chloranthaceae. Grana, 54(3), 184-212. https://doi.org/10.1080/00173134.2015.1060750

Friis, E. M., Crane, P. R., Pedersen, K. R., Stampanoni, M. & Marone, F. (2015). Exceptional preservation of tiny embryos documents seed dormancy in early angiosperms. Nature, 528, 551-554. https://doi.org/10.1038/nature16441

Friis, E. M. & Pedersen, K. R. (2014). Blomster fra Kridttiden. Geologisk Tidsskrift, 2013, 43-64.

Friis, E. M. & Pedersen, K. R. (1996). Eucommiitheca hirsuta, a new pollen organ with Eucommiidites pollen from the Early Cretaceous of Portugal. Grana, 35(2), 104-112. https://doi.org/10.1080/00173139609429480

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Revised 06.02.2024