Christian Mac Ørum Rasmussen

Christian Mac Ørum Rasmussen

Special Consultant

  • Section for Geobiology

    Øster Voldgade 5-7

    1350 København K

    Phone: +45 35 32 23 57

  1. 2004
  2. Published

    Early Mid Ordovician (Kundan) brachiopods from the Eastern Baltic: biostratigraphy, palaeogeography and palaeoecology

    Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2004, Palaeontological Association Newsletter. 57 ed. Frankrig, p. 176

    Research output: Chapter in Book/Report/Conference proceedingPreface/postscriptResearch

  3. Published

    The Kunda (early Mid Ordovician) brachiopod fauna from Western Russia: data from Putilovo Quarry

    Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2004, WOGOGOB-2004 8th Meeting of the Working Group on the Ordovician Geology of Baltoscandia, Tallinn and Tartu. 1 ed. Estonia, p. 87 1 p.

    Research output: Chapter in Book/Report/Conference proceedingPreface/postscriptResearch

  4. 2005
  5. 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. 54

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. 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 journalJournal articleResearch

  7. Published

    The Otta brachiopod fauna: Palaeogeography of early Palaeozoic terranes and biotas across Baltoscandia.

    Harper, D. A. T., Bruton, D. L. & Rasmussen, Christian Mac Ørum, 2005, Abstracts, Fifth International Brachiopod Congress. København: Geological Survey of Greenland, p. 15 1 p.

    Research output: Chapter in Book/Report/Conference proceedingPreface/postscriptResearch

  8. 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 journalJournal articleResearch

  9. 2007
  10. Published

    Depth - related brachiopod bioevents in the Middle Ordovician (Kundan) of Baltica

    Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2007, Programme with Abstracts: IGCP 503 Annual Meeting. Owen, A. (ed.). University of Glasgow, p. 40 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  11. Published

    Survival of the thickest: Late Ordovician - Early Silurian brachiopods from Peary Land, North Greenland

    Rasmussen, Christian Mac Ørum, Harper, D. A. T., Jin, J., Rasmussen, Jan Audun Liljeroth & Stouge, Svend, 2007, Lundadagarna i Historisk geologi och paleontologi: Abstracts with programme. Terfelt, F. & Axheimer, N. (eds.). Lund University Press, p. 35 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  12. 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 journalJournal articleResearchpeer-review

  13. Published

    Diachronism in the Ordovician brachiopod diversification: Extrinsic and intrinsic factors

    Harper, D. A. T. & Rasmussen, Christian Mac Ørum, 2007, Lundadagarna i Historisk geologi och paleontologi: Abstracts with programme. Terfelt, F. & Axheimer, N. (eds.). Lund University Press, p. 23 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  14. Published

    Overview of the pentameride brachiopod succession (upper Ordovician – lower Silurian) in Børglum Elv and G.B. Schley Fjord, Peary Land, North Greenland

    Harper, D. A. T., Jin, J., Rasmussen, Christian Mac Ørum, Rasmussen, Jan Audun Liljeroth & Stouge, Svend, 2007, Acta Palaeontologica Sinica. Nanjing, Vol. 46 supplement. p. 176 – 180 5 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  15. 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 journalConference abstract in journalResearch

  16. Published

    Was SW Alaska part of Baltica in the Late Ordovician?

    Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2007, Ikke angivet. Ebbestad, J. O. R., Wickström, L. M. & Högström, A. E. S. (eds.). Geological Survey of Sweden, p. 103-104 1 p. (SGU Rapporter och meddelanden, Vol. 128).

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  17. 2008
  18. 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 journalConference abstract in journalResearch

  19. 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 journalJournal articleResearchpeer-review

  20. 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. 533-542

    Research output: Contribution to journalJournal articleResearchpeer-review

  21. 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 journalJournal articleResearchpeer-review

  22. 2009
  23. 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 journalJournal articleResearchpeer-review

  24. Published

    So where did they go? Brachiopod refuges during the End Ordovician crisis interval

    Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2009, Ikke angivet. Harper, D. A. T. & McCorry, M. (eds.). Museum Tusculanum, p. 15 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  25. 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 journalJournal articleResearchpeer-review

  26. 2010
  27. Published

    An atypical Late Ordovician Red River brachiopod fauna from eastern North Greenland: eastward, offshore migration of the Hiscobeccus-fauna

    Rasmussen, Christian Mac Ørum & Harper, D. A. T., 2010, Programme and Abstracts, The Palaecontological Association, 54th Annual Meeting 17th-20th December 2010, Ghent University. The Palaeontological Association, p. 68 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

  28. 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 journalJournal articleResearchpeer-review

  29. 2011
  30. 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 journalJournal articleResearchpeer-review

  31. 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 journalJournal articleResearchpeer-review

  32. 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 journalConference abstract in journalResearch

  33. Published

    Final destination, first discovered: the tale of Oanduporella Hints, 1975

    Rasmussen, Christian Mac Ørum, May 2011, Ordovician of the World. Gutiérrez-Marco, J. C., Rábano, I. & García-Bellido, D. (eds.). Instituto Geológico y Minero de España, p. 447-455 9 p. (Publicaciones del Instituto Geológico y Minero de España. Serie: Cuadernos del Museo Geominero; No. 14).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  34. 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 journalConference abstract in journalResearchpeer-review

  35. 2012
  36. Published

    Late Ordovician brachiopods from West-central Alaska: systematics, ecology and palaeobiogeography

    Rasmussen, Christian Mac Ørum, Harper, D. A. T. & Blodgett, R. B., 2012, Wiley-Blackwell. 103 p. (Fossils and Strata, Vol. 58).

    Research output: Book/ReportBookResearchpeer-review

  37. Published

    Transgressive-regressive events and facies through the Upper Ordovician– Lower Silurian of Peary Land, North Greenland

    Harper, D. A. T., Rasmussen, Christian Mac Ørum, Munnecke, A., Jin, J., Stouge, Svend & Rasmussen, Jan Audun Liljeroth, 2012, Geophysical Research Abstracts 14, EGU2012-13528, 2012. 2012 ed. Vol. 14. 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

  38. 2013
  39. Published

    Biodiversity, biogeography and phylogeography of Ordovician rhynchonelliform brachiopods

    Harper, D. A. T., Rasmussen, Christian Mac Ørum, Liljeroth, M., Blodgett, R. B., Candela, Y., Jin, J., Percival, I. G., Rong, J. Y., Villas, E. & Zhan, R. B., 2013, Early palaeozoic biogeography and palaeogeography. Harper, D. A. T. & Servais, T. (eds.). Geological Society, p. 127-144 18 p. (Geological Society of London. Memoirs; No. 38).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  40. 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 journalJournal articleResearchpeer-review

  41. 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 journalJournal articleResearchpeer-review

  42. 2014
  43. 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 journalReviewResearchpeer-review

  44. Published

    Integrating bed-by-bed palaeobiological and geochemical proxies through the onset of the Great Ordovician Biodiversification Event on Baltica

    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., 2014, p. 81.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  45. 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 journalJournal articleResearchpeer-review

  46. 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 journalJournal articleResearchpeer-review

  47. 2015
  48. 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 journalJournal articleResearchpeer-review

  49. 2016
  50. 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 journalJournal articleResearchpeer-review

  51. 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 journalJournal articleResearchpeer-review

  52. 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 journalJournal articleResearchpeer-review

  53. Published

    Towards a calibrated astronomical timescale for the Mid Ordovician

    Rasmussen, Christian Mac Ørum, Thibault, Nicolas Rudolph, Stouge, Svend, Siggaard-Andersen, M. L., Costa, M., Schovsbo, N., Calner, M., Dahlqvist, P., Korte, Christoph, Frei, Robert, Storey, M., Connelly, J., Pedersen, G. K., Rasmussen, B. W., Rasmussen, J. A. & Nielsen, A. T., 2016, p. 2812 .

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  54. 2017
  55. Published

    Upper Cambrian to Upper Ordovician δ13C and δ18O stratigraphy of the western Baltic palaeobasin, Öland, Sweden: A closer look at climate during the onset of the Ordovician Radiation

    Edward, O., Korte, Christoph, Ullmann, C. V., Colmenar, J., Nielsen, M., Stouge, Svend & Rasmussen, Christian Mac Ørum, 2017, p. A-389.

    Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

  56. 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 journalJournal articleResearchpeer-review

  57. 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 journalLetterResearchpeer-review

  58. 2018
  59. 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 journalJournal articleResearchpeer-review

  60. 2019
  61. 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 journalConference abstract in journalResearch

  62. 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 journalReviewResearchpeer-review

  63. Published
  64. 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 journalJournal articleResearchpeer-review

  65. 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 journalJournal articleResearchpeer-review

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