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Department of Geoscience

Publications from Department of Geoscience

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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

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2017). Kenilanthus, a new eudicot flower with tricolpate pollen from the Early Cretaceous (early-middle Albian) of eastern North America. Grana, 56(3), 161-173. https://doi.org/10.1080/00173134.2016.1158863

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2016). The emergence of core eudicots: New floral evidence from the earliest late cretaceous. Proceedings of the Royal Society B: Biological Sciences, 283(1845), Article 20161325. https://doi.org/10.1098/rspb.2016.1325

Friis, E. M., Mendes, M. M. & Pedersen, K. R. (2018). Paisia, an Early Cretaceous eudicot angiosperm flower with pantoporate pollen from Portugal. Grana, 57(1-2), 1-15. https://doi.org/10.1080/00173134.2017.1310292

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2017). Saportanthus, an extinct genus of laurales from the early cretaceous of Portugal. International Journal of Plant Sciences, 178(8), 650-672. https://doi.org/10.1086/693108

Friis, E. M., Pedersen, K. R. & Crane, P. R. (2017). Early Cretaceous vegetation and the emergence of angiosperms in Europe and North America. In Abstract Book I: Oral Presentations (pp. 163). Article T2-23-05 XIX International Botanical Congress. http://www.ibc2017.cn/Download/

Friis, E. M. & Pedersen, K. R. (2017). Early angiosperms: Key fossils and extinct diversity. In Abstract Book I: Oral Presentations (pp. 10). XIX International Botanical Congress. http://www.ibc2017.cn/Download/

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2018). Tanispermum, a new genus of hemi-orthotropous to hemi-anatropous angiosperm seeds from the Early Cretaceous of eastern North America. American Journal of Botany, 105(8), 1369-1388. https://doi.org/10.1002/ajb2.1124

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2018). Rightcania and kvacekispermum: Early cretaceous seeds from eastern north america and portugal provide further evidence of the early chloranthoid diversification. Fossil Imprint, 74(1-2), 65-76. https://doi.org/10.2478/if-2018-0006

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2018). Extinct taxa of exotestal seeds close to austrobaileyales and nymphaeales from the early cretaceous of Portugal. Fossil Imprint, 74(1-2), 135-158. https://doi.org/10.2478/if-2018-0010

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2018). The inevitable seed: A Cretaceous perspective. 88. Abstract from 10th European Palaeobotany & Palynology Conference, Dublin, Ireland. http://eppc2018.ie/wp-content/uploads/2018/08/Abstracts-Book-Download-Version.pdf

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2018). Extinct diversity near the base of the angiosperm tree: Evidence from Cretaceous mesofossils. 140. Abstract from 10th European Palaeobotany & Palynology Conference, Dublin, Ireland. http://eppc2018.ie/wp-content/uploads/2018/08/Abstracts-Book-Download-Version.pdf

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2019). Extinct diversity among early cretaceous angiosperms: Mesofossil evidence of early magnoliales from Portugal. International Journal of Plant Sciences, 180(2), :93-127. https://doi.org/10.1086/701319

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2019). Hedyosmum-like fossils in the early cretaceous diversification of angiosperms. International Journal of Plant Sciences, 180(3), 232-239. https://doi.org/10.1086/701819

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2019). Chlamydospermous seeds document the diversity and abundance of extinct gnetalean relatives in early cretaceous vegetation. International Journal of Plant Sciences, 180(7), 643-666. https://doi.org/10.1086/704356

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2019). The endothelium in seeds of early angiosperms. New Phytologist, 224(4), 1419-1424. https://doi.org/10.1111/nph.16024

Friis, E. M. & Pedersen, K. R. (2019). Key Fossils in Reconstructing the Early History of Flowering Plants. In The 1st Asian Palaeontological Congress - ABSTRACTS (pp. 91). Article 111

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2020). Melloniflora, a new extinct multiparted flower from the early cretaceous of virginia, usa. International Journal of Plant Sciences, 181(9), 887-897. https://doi.org/10.1086/710490

Friis, E. M., Crane, P. R. & Pedersen, K. R. (2020). Multiparted, apocarpous flowers from the Early Cretaceous of eastern North America and Portugal. Fossil Imprint, 76(2), 279–296. https://doi.org/10.37520/fi.2020.023

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