Christian Mac Ørum Rasmussen
Special Consultant
Section for Geobiology
Øster Voldgade 5-7
1350 København K
- 2024
- Published
Late Ordovician and early Silurian virgianid and stricklandioid brachiopods from North Greenland: implications for a warm-water faunal province
Jin, J., Rasmussen, Christian Mac Ørum, Sheehan, P. M. & Harper, D. A. T., 2024, In: Papers in Palaeontology. 10, 1, 42 p., e1544.Research output: Contribution to journal › Journal article › Research › peer-review
- 2023
- Published
The Ordovician System in Greenland
Stouge, Svend, Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2023, In: Geological Society, London, Special Publications. 533, 1, p. 27-64Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Ordovician of Scandinavia: a revised regional stage classification
Nielsen, Arne Thorshøj, Ahlberg, P., Ebbestad, J. O. R., Hammer, Ø., Harper, D. A. T., Lindskog, A., Rasmussen, Christian Mac Ørum & Stouge, Svend, 2023, In: Geological Society, London, Special Publications. 532, p. 267-315Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The detailed Middle to early Late Ordovician faunal succession and δ13Ccarbon chemistry of the Kårehamn drill core, offshore eastern Öland, Sweden: implications for stratigraphy and correlation
Stouge, Svend, Bagnoli, G., Bauert, G., Bauert, H. & Rasmussen, Christian Mac Ørum, 2023, In: Estonian Journal of Earth Sciences. 72, 1, p. 159Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
- Published
Was the Late Ordovician mass extinction truly exceptional?
Rasmussen, Christian Mac Ørum, Vandenbroucke, T. R. A., Nogues, David Bravo & Finnegan, S., 2023, In: Trends in Ecology and Evolution. 38, 9, p. 812-821 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2022
- Published
A Baltic Perspective on the Early to Early Late Ordovician δ13C and δ18O Records and Its Paleoenvironmental Significance
Edward, O., Korte, Christoph, Ullmann, C. V., Colmenar, J., Thibault, Nicolas Rudolph, Bagnoli, G., Stouge, Svend & Rasmussen, Christian Mac Ørum, Mar 2022, In: Paleoceanography and Paleoclimatology. 37, 3, 26 p., e2021PA004309.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Stable ocean redox during the main phase of the Great Ordovician Biodiversification Event
del Rey, Álvaro, Rasmussen, Christian Mac Ørum, Calner, M., Wu, R., Asael, D. & Dahl, Tais Wittchen, 2022, In: Communications Earth & Environment. 3, 7 p., 220.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Synchronizing rock clocks in the late Cambrian
Zhao, Zhengfu, Thibault, Nicolas Rudolph, Dahl, Tais Wittchen, Schovsbo, N. H., Sørensen, A. L., Rasmussen, Christian Mac Ørum & Nielsen, Arne Thorshøj, 2022, In: Nature Communications. 13, 11 p., 1990.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Warm-water Tcherskidium fauna (Brachiopoda) in the Late Ordovician Northern Hemisphere of Laurentia and peri-Laurentia
Jin, J., Blodgett, R. B., Harper, D. A. T. & Rasmussen, Christian Mac Ørum, 2022, In: Journal of Paleontology. 96, 6, p. 1461-1478 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2021
- Published
Middle Ordovician astrochronology decouples asteroid breakup from glacially-induced biotic radiations
Rasmussen, Jan Audun Liljeroth, Thibault, Nicolas Rudolph & Rasmussen, Christian Mac Ørum, Dec 2021, In: Nature Communications. 12, 1, 14 p., 6430.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
A temporal framework for the Mid–early Late Ordovician of Baltica
Rasmussen, Christian Mac Ørum, Thibault, Nicolas Rudolph, Stouge, Svend, Calner, M., Rasmussen, Jan Audun Liljeroth, Lindskog, A., Bauert, H., Sinnesael, M., Edward, O., Bagnoli, G., Siggaard-Andersen, Marie-Louise, Wu, R., Bauert, G., Ullmann, C. V., Korte, Christoph, Schovsbo, N. & Nielsen, Arne Thorshøj, 2021, In: Journal de l’Association Paléontologique Française. 2021, Numéro Spécial 2, p. 66Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Carbon isotope chemostratigraphy and sea-level history of the Hirnantian Stage (uppermost Ordovician) in the Oslo-Asker district, Norway
Calner, M., Bockelie, J. F., Rasmussen, Christian Mac Ørum, Calner, H., Lehnert, O. & Joachimski, M. M., 2021, In: Geological Magazine. 58, 11, p. 1977-2008 32 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sulfidic anoxia in the oceans during the Late Ordovician mass extinctions – insights from molybdenum and uranium isotopic global redox proxies
Dahl, Tais Wittchen, Hammarlund, E. U., Rasmussen, Christian Mac Ørum, Bond, D. P. G. & Canfield, D. E., 2021, In: Earth-Science Reviews. 220, 14 p., 103748.Research output: Contribution to journal › Review › Research › peer-review
- 2020
- Published
A multidisciplinary perspective on the Great Ordovician Biodiversification Event and the development of the early Paleozoic world
Stigall, A. L., Freeman, R. L., Edwards, C. T. & Rasmussen, Christian Mac Ørum, 2020, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 543, 8 p., 109521.Research output: Contribution to journal › Editorial › Research › peer-review
- Published
Middle Ordovician carbonate facies development, conodont biostratigraphy and faunal diversity patterns at the Lynna River, northwestern Russia
Lindskog, A., Eriksson, M. E., Rasmussen, J. A., Dronov, A. & Rasmussen, Christian Mac Ørum, 2020, In: Estonian Journal of Earth Sciences. 69, 1, p. 37-61Research output: Contribution to journal › Journal article › Research › peer-review
- 2019
- Published
Correction to ‘The evolutionary dynamics of the Early Palaeozoic marine biodiversity accumulation’
Kröger, B., Franeck, F. & Rasmussen, Christian Mac Ørum, 4 Dec 2019, In: Proceedings of the Royal Society B: Biological Sciences. 286, 1916, 3 p., 20192358.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The glacially induced Middle Ordovician rise of the Plectambonitoidea (Brachiopoda) and the phylogenetic placement of the Baltic genus Ukoa
Rasmussen, Christian Mac Ørum & Pedersen, M., 15 Nov 2019, In: Palaeogeography, Palaeoclimatology, Palaeoecology. 534, 14 p., 109319.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Coordinated biotic and abiotic change during the Great Ordovician Biodiversification Event: Darriwilian assembly of early Paleozoic building blocks
Stigall, A. L., Edwards, C. T., Freeman, R. L. & Rasmussen, Christian Mac Ørum, 15 Sep 2019, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 530, p. 249-270 22 p.Research output: Contribution to journal › Review › Research › peer-review
- Published
Cascading trend of Early Paleozoic marine radiations paused by Late Ordovician extinctions
Rasmussen, Christian Mac Ørum, Kroger, B., Nielsen, Morten Lunde & Colmenar, J., 9 Apr 2019, In: Proceedings of the National Academy of Sciences of the United States of America. 116, 15, p. 7207-7213 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
An imprint of astronomical climate forcing in the Baltoscandian Middle Ordovician ‘orthoceratite limestone’?
Rasmussen, Christian Mac Ørum, Sinnesael, M., Thibault, Nicolas Rudolph, Stouge, Svend, Siggaard-Andersen, Marie-Louise & Schovsbo, N., 2019, In: Geophysical Research Abstracts. 21, 14038, 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Building mountain biodiversity: geological and evolutionary processes
Rahbek, Carsten, Borregaard, Michael Krabbe, Antonelli, A., K. Colwell, R., Holt, B. G., Nogues, David Bravo, Rasmussen, Christian Mac Ørum, Richardson, Katherine, Rosing, Minik Thorleif, Whittaker, R. J. & Fjeldså, Jon, 2019, In: Science. 365, 6458, p. 1114-1119 6 p.Research output: Contribution to journal › Review › Research › peer-review
- Published
The evolutionary dynamics of the early Palaeozoic marine biodiversity accumulation
Kröger, B., Franeck, F. & Rasmussen, Christian Mac Ørum, 2019, In: Proceedings of the Royal Society B: Biological Sciences. 286, 1909, 6 p., 20191634.Research output: Contribution to journal › Journal article › Research › peer-review
- 2018
- Published
Gamma-ray log correlation and stratigraphic architecture of the Cambro-Ordovician Alum Shale Formation on Bornholm, Denmark: Evidence for differential syndepositional isostasy
Nielsen, Arne Thorshøj, Schovsbo, N. H., Klitten, K., Woollhead, D. & Rasmussen, Christian Mac Ørum, 2018, In: Bulletin of the Geological Society of Denmark. 66, p. 237-273 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2017
- Published
Identifying the most surprising victims of mass extinction events: an example using Late Ordovician brachiopods
Finnegan, S., Rasmussen, Christian Mac Ørum & Harper, D. A. T., Sep 2017, In: Biology Letters. 13, 9, 5 p., 20170400.Research output: Contribution to journal › Letter › Research › peer-review
- Published
Refined Ordovician timescale reveals no link between asteroid breakup and biodiversification
Lindskog, A., Canas Portela Costa, M. M., Rasmussen, Christian Mac Ørum, Connelly, James & Eriksson, M. E., 24 Jan 2017, In: Nature Communications. 8, 8 p., 14066.Research output: Contribution to journal › Journal article › Research › peer-review
- 2016
- Published
Biogeographic and bathymetric determinants of brachiopod extinction and survival during the Late Ordovician mass extinction
Finnegan, S., Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2016, In: Proceedings of the Royal Society B: Biological Sciences. 283, 1829, 9 p., 20160007.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Onset of main Phanerozoic marine radiation sparked by emerging Mid Ordovician icehouse
Rasmussen, Christian Mac Ørum, Ullmann, C. V., Jakobsen, K. G., Lindskog, A., Hansen, J., Hansen, T., Eriksson, M. E., Dronov, A., Frei, Robert, Korte, Christoph, Nielsen, Arne Thorshøj & Harper, D. A. T., 2016, In: Scientific Reports. 6, 9 p., 18884.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The onset of the 'Ordovician Plankton Revolution' in the late Cambrian
Servais, T., Perrier, V., Danelian, T., Klug, C., Martin, R., Munnecke, A., Nowak, H., Nützel, A., Vandenbroucke, T. R. A., Williams, M. & Rasmussen, Christian Mac Ørum, 2016, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 458, p. 12-28 17 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2015
- Published
Subaerial speleothems and deep karst in central Sweden linked to Hirnantian glaciations
Kröger, B., Ebbestad, J. O. R., Lehnert, O., Ullmann, C. V., Korte, Christoph, Frei, Robert & Rasmussen, Christian Mac Ørum, 2015, In: Journal of the Geological Society - London. 172, 3, p. 349-356 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2014
- Published
End Ordovician extinctions: a coincidence of causes
Harper, D. A. T., Hammarlund, E. U. & Rasmussen, Christian Mac Ørum, 2014, In: Gondwana Research. 25, 4, p. 1294-1307 14 p.Research output: Contribution to journal › Review › Research › peer-review
Late Ordovician carbonate mounds from North Greenland: a peri-Laurentian dimension to the Boda Event?
Harper, D. A. T., Jin, J. & Rasmussen, Christian Mac Ørum, 2014, In: GFF. 136, 1, p. 95-99 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
Phylogeography of Ordovician-Silurian rhynchonelliformean brachiopods: tracking higher order distributional patterns, radiations and extinctions in 4D
Rasmussen, Christian Mac Ørum, 2014, In: GFF. 136, 1, p. 223-228 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2013
- Published
Late Ordovician brachiopods from eastern North Greenland: equatorial offshore migration of the Red River fauna
Rasmussen, Christian Mac Ørum, Mar 2013, In: Palaeontology. 56, 2, p. 359-379 21 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Precisely locating the Ordovician equator in Laurentia
Jin, J., Harper, D. A. T., Cocks, L. R. M., McCausland, P. J. A., Rasmussen, Christian Mac Ørum & Sheehan, P. M., Feb 2013, In: Geology. 41, 2, p. 107-110 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2011
- Published
Reclaiming the tropical shores of Laurentia: the early Silurian pentameroid (r)evolution
Rasmussen, Christian Mac Ørum, Sep 2011, In: G F F. 133, 1-2, p. 70-71 2 p.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
- Published
Did the amalgamation of continents drive the end Ordovician mass extinctions?
Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2011, In: Palaeogeography, Palaeoclimatology, Palaeoecology - An International Journal for the Geo-Sciences. 311, 1-2, p. 48-62 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Interrogation of distributional data for the End Ordovician crisis interval: where did disaster strike?
Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2011, In: Geological Journal. 46, 5, p. 478-500 23 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Tectonics, islands and island hopping in the Early Palaeozoic benthos
Harper, D. A. T., Liljeroth, M. & Rasmussen, Christian Mac Ørum, 2011, In: Scripta Geologica. 142, p. 11-12 2 p.Research output: Contribution to journal › Conference abstract in journal › Research
- 2010
- Published
Unravelling a Late Ordovician pentameride (Brachiopoda) hotspot from the Boda Limestone, Siljan district, central Sweden
Rasmussen, Christian Mac Ørum, Ebbestad, J. O. R. & Harper, D. A. T., 2010, In: GFF. 132, 3-4, p. 133-152 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2009
- Published
Ecostratigraphical interpretation of lower Middle Ordovician East Baltic sections based on brachiopods
Rasmussen, Christian Mac Ørum, Nielsen, Arne Thorshøj & Harper, D. A. T., 2009, In: Geological Magazine. 146, p. 717-731 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sulcipentamerus (Pentamerida, Brachiopoda) from the Lower Silurian Washington Land Group, North Greenland
Jin, J., Harper, D. A. T. & Rasmussen, Christian Mac Ørum, 2009, In: Palaeontology. 52, p. 385-399 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2008
- Published
Virgiana Billings, 1857: on top of the world after 150 years
Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2008, In: Palaeontology Newsletter. 66, p. 52 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Occurrence of the Late Ordovician Red River lithofacies and biofacies in North Greenland.
Jin, J., Harper, D. A. T., Rasmussen, Jan Audun Liljeroth, Rasmussen, Christian Mac Ørum & Stouge, Svend, 2008, In: Canadian Paleontology Conference Proceedings. 6, p. 18-21 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Resolving early Mid-Ordovician (Kundan) bioevents in the East Baltic based on brachiopods
Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2008, In: Geobios. 41, 4, p. 533-542Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Otta brachiopod and trilobite fauna: palaeogeography of Early Palaeozoic terranes and biotas across Baltoscandia
Harper, D. A. T., Bruton, D. L. & Rasmussen, Christian Mac Ørum, 2008, In: Fossils and Strata. 54, p. 31-40 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2007
- Published
Baltica: a mid Ordovician diversity hotspot
Rasmussen, Christian Mac Ørum, Hansen, J. & Harper, D. A. T., 2007, In: Historical Biology. 19, 3, p. 255-261 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Ordovician – Silurian pentameroid seas of North Greenland: tropical incumbents rule the waves
Harper, D. A. T., Jin, J., Rasmussen, Christian Mac Ørum, Rasmussen, Jan Audun Liljeroth, Stouge, Svend & Svennevig, K., 2007, In: Palaeontological Association, Newsletter. 66, p. 56 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- 2005
- Published
Ecostratigraphical interpretation of the lower Middle Ordovician (Kundan) argillaceous limestones from the Eastern Baltic based on brachiopods.
Rasmussen, Christian Mac Ørum, Harper, D. A. T. & Nielsen, Arne Thorshøj, 2005, In: Palaeontology Newsletter. 60, p. 54Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Kundan (early Mid Ordovician) brachiopods from the Baltic: biostratigraphy and ecostratigraphy.
Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2005, In: GFF. 127, p. 54 1 p.Research output: Contribution to journal › Journal article › Research
- Published
Tracking brachiopod bioevents in the lower middle Ordovician (Kundan) of Baltica.
Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2005, In: Insight. 2, p. 27 1 p.Research output: Contribution to journal › Journal article › Research
ID: 8280
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Onset of main Phanerozoic marine radiation sparked by emerging Mid Ordovician icehouse
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
161
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Middle Ordovician carbonate facies development, conodont biostratigraphy and faunal diversity patterns at the Lynna River, northwestern Russia
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
143
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Refined Ordovician timescale reveals no link between asteroid breakup and biodiversification
Research output: Contribution to journal › Journal article › Research › peer-review
Published