Arne Thorshøj Nielsen
Associate Professor
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“Hypoxic” Silurian oceans suggest early animals thrived in a low-O2 world
Haxen, Emma Rysgaard, Schovsbo, N. H., Nielsen, Arne Thorshøj, Richoz, S., Loydell, D. K., Posth, Nicole Rita Elisabeth, Canfield, D. E. & Hammarlund, E. U., 2023, In: Earth and Planetary Science Letters. 622, 11 p., 118416.Research output: Contribution to journal › Journal article › Research › peer-review
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carbon and oxygen isotope composition of Cambro-Silurian limestone and anthraconite from Bornholm: Evidence for deep burial diagenesis.
Buchardt, B. & Nielsen, Arne Thorshøj, 1984, In: Bulletin of the Geological Society of Denmark. 33, 3-4, p. 415-435 21 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Zooming in on the GOBE – 2020 Virtual Annual Meeting of IGCP 653: Abstracts and programme
Rasmussen, Christian Mac Ørum (ed.), Stigall, A. L. (ed.), Nielsen, Arne Thorshøj (ed.), Stouge, Svend (ed.) & Schovsbo, N. H. (ed.), 2020, Copenhagen: Geological Survey of Denmark and Greenland (GEUS). 54 p. (Danmarks og Grønlands Geologiske Undersøgelse Rapport; No. 21, Vol. 2020).Research output: Book/Report › Report › Research
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Wireline log stratigraphy of the lower Cambrian Læså Formation, Bornholm, Denmark
Nielsen, Arne Thorshøj & Klitten, K., 2023, In: Bulletin of the Geological Society of Denmark. 72, p. 175-205Research output: Contribution to journal › Journal article › Research › peer-review
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Upper Ordovician sea levet changes in the Oslo area and Estonia: Tie-points and problems
Nielsen, Arne Thorshøj & Meidla, T., 2004, WOGOGOB-2004 8th Meeting of the Working Group on the Ordovician Geology of Baltoscandia, Tallinn and Tartu. Estonia: WOGOGOB-2004, p. 73Research output: Chapter in Book/Report/Conference proceeding › Preface/postscript › Research
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Upper Cambrian (Furongian) biostratigraphy in Scandinavia revisited: definition of superzones
Nielsen, Arne Thorshøj, Weidner, T., Terfelt, F. & Hoyberget, M., 2014, In: GFF. 136, 1, p. 193-197 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Upper Arenig trilobite biostratigraphy and sea-level changes at Lynna River near Volkhov, Russia.I: Harper, D.A.T. and Stouge, S. (eds). Studies in Ordovician geology: the Baltoscandian region
Hansen, T. & Nielsen, Arne Thorshøj, 2003, In: Bulletin of the Geological Society of Denmark. 50, p. 105-114Research output: Contribution to journal › Journal article › Research › peer-review
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Two abnormal pygidia of the trilobite Toxochasmops from the Upper Ordovician of the Oslo Region, Norway
Nielsen, M. L. & Nielsen, Arne Thorshøj, 2017, In: Bulletin of the Geological Society of Denmark. 65, p. 171-175Research output: Contribution to journal › Journal article › Research › peer-review
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Trilobites from the Middle Ordovician Stairway Sandstone, Amadeus Basin, central Australia
Jakobsen, K. G., Nielsen, Arne Thorshøj, Harper, D. A. T. & Brock, G. A., 2014, In: Alcheringa. 38, 1, p. 70-96 27 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Trilobite systematics, biostratigraphy and palaeoecology of the Lower Ordovician Komstad Limestone and Huk formations, southern Scandinavia
Nielsen, Arne Thorshøj, 1995, In: Fossils and Strata. 38, p. 1-374 374 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Trilobite systematics, biostratigraphy and palaeoecology of the Lower Ordovician Komstad Limestone and Huk Formations, southern Scandinavia
Nielsen, Arne Thorshøj, 1995, In: Fossils and Strata. 38, p. 1-374 374 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Trilobite systematics, biostratigraphy and palaeoecology of the Lower Ordovician Komstad Limestone and Huk Formations, Southern Scandinavia
Nielsen, Arne Thorshøj, 1995, Oslo: Scandinavian University Press.Research output: Book/Report › Book › Research
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Trilobite ecophenotypes: Examples from the Lower Ordoricium of Baltica
Nielsen, Arne Thorshøj, 1995, Ordovician Odyssey: Short papers for the seventh Int. Symp. on the Ordovician System. Fullerton, California, USA: The Pacific Section Soc. sedim. Geology, p. 488Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Trilobite biostratigraphy of the Early Ordovician Komstad Limestone and Huk Formations, southern Scandinavia (Abstract)
Nielsen, Arne Thorshøj, 1992, In: Abstracts. WOGOGOB meeting, Oslo, August 1992. p. 35Research output: Contribution to journal › Journal article › Research
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The regressive Early–Mid Cambrian ‘Hawke Bay Event’ in Baltoscandia: epeirogenic uplift in concert with eustasy
Nielsen, Arne Thorshøj & Schovsbo, N. H., 2015, In: Earth-Science Reviews. 151, p. 288-350 63 p.Research output: Contribution to journal › Review › Research › peer-review
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The post-persculptus and pre-ascensus graptolite fauna in Scania, south-western Sweden: Ordovician or Silurian? i: Ortega, G. & Acenolaza, G.F. (eds): Proceedings of the 7th International Graptolite Conference
Koren, T. N., Ahlberg, P. & Nielsen, Arne Thorshøj, 2003, In: Instituto Superior de Correlación Geológica, Series Correlación Geológica. 17, p. 133-138Research output: Contribution to journal › Journal article › Research › peer-review
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The nature of Ordovician limestone-marl alternations in the Oslo-Asker District (Norway): witnesses of primary glacio-eustasy or diagenetic rhythms?
Amberg, C. E. A., Collart, T., Salenbien, W., Egger, L. M., Munnecke, A., Nielsen, Arne Thorshøj, Monnet, C., Hammer, Ø. & Vandenbroucke, T. R. A., 7 Jan 2016, In: Scientific Reports. 6, 13 p., 18787.Research output: Contribution to journal › Journal article › Research › peer-review
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The mobile domicile boring Trypanites mobilis revisited - new observations and implications for ecosystem recovery following the Cretaceous - Palaeogene mass extinction
Øhlenschlæger, A., Milan, J., Nielsen, Arne Thorshøj & Thibault, Nicolas Rudolph, 2022, In: Lethaia: An International Journal of Palaeontology and Stratigraphy. 55, 3, 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The late Cambrian (Furongian) Acerocarina Superzone (new name) on Kinnekulle, Vastergotland, Sweden
Weidner, T. & Nielsen, Arne Thorshøj, 2013, In: GFF. 135, 1, p. 30-44 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Vakkejokk Breccia: An Early Cambrian proximal impact ejecta layer in the North-Swedish Caledonides
Ormö, J., Nielsen, Arne Thorshøj & Alwmark, C., 2017, In: Meteoritics and Planetary Science. 52, 4, p. 623-645 23 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Upper Cambrian Trilobite Olenus at Andrarum, Sweden: a case of iterative evolution?
Lauridsen, B. W. & Nielsen, Arne Thorshøj, 2005, In: Palaeontology. 48, 5, p. 1041-1056Research output: Contribution to journal › Journal article › Research › peer-review
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The Sirius Passet Lagerstätte of North Greenland: a remote window on the Cambrian Explosion
Harper, D. A. T., Hammarlund, E. U., Topper, T. P., Nielsen, Arne Thorshøj, Rasmussen, J. A., Park, T. S. & Smith, M. P., 2019, In: Journal of the Geological Society. 176, 6, p. 1023-1037 15 p.Research output: Contribution to journal › Review › Research › peer-review
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The Sirius Passet Lagerstatte of North Greenland-A geochemical window on early Cambrian low-oxygen environments and ecosystems
Hammarlund, E. U., Smith, M. P., Rasmussen, J. A., Nielsen, Arne Thorshøj, Canfield, D. E. & Harper, D. A. T., 2019, In: Geobiology. 17, 1, p. 12-26 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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The Middle Cambrian agnostid Ptychagnostus atavus on Bornholm, Denmark
Weidner, T. & Nielsen, Arne Thorshøj, 2005, In: GFF. 127, p. 59-60Research output: Contribution to journal › Journal article › Research › peer-review
ID: 9977
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Onset of main Phanerozoic marine radiation sparked by emerging Mid Ordovician icehouse
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160
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The Sirius Passet Lagerstätte of North Greenland: a remote window on the Cambrian Explosion
Research output: Contribution to journal › Review › Research › peer-review
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140
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Brain and eyes of Kerygmachela reveal protocerebral ancestry of the panarthropod head
Research output: Contribution to journal › Journal article › Research › peer-review
Published