Scientific publications
Wang, S., Birgel, D., Nakrem, H.A. Little, C.T.S., Hammer, Ø. Kelly, S.R.A. & Peckmann, J. 2025. Sulfate-driven anaerobic oxidation of methane recorded by Lower Cretaceous (Barremian) authigenic carbonate deposits from the Kuhnpasset Beds of Wollaston Forland, northeast Greenland. Palaeogeography, Palaeoclimatology, Palaeoecology 680, 113349, 13 pp. https://doi.org/10.1016/j.palaeo.2025.113349
Nakrem, H.A. & Orchard, M.J. 2023. Conodonts from the Grippia niveau bonebed (Lower Triassic,- Spathian), Spitsbergen, Arctic Norway. Lethaia 56(4), https://www.idunn.no/doi/10.18261/let.56.4.7
Kröger, B., Ernst, A., Penny, A., Nakrem, H.A. & Toom, U. 2023. Scale dependent diversity of bryozoan assemblages in the reefs of the Late Ordovician Vasalemma Formation, Estonia. Lethaia 56(2), https://doi.org/10.18261/let.56.2.7
Høyberget, M., Ebbestad, J.O.R., Funke, B., Funke, M.-L. K. & Nakrem, H.A. 2023.The Skyberg Lagerstätte from the Mjøsa area, Norway; a rare new window into the late early Cambrian biodiversity of Scandinavia. Lethaia 56(2), 28 pp. https://doi.org/10.18261/let.56.2.4
Nakrem, H.A., Lindemann, F.-J., Hurum, J.H. & Hammer, Ø. 2023. Fossils From the Arctic in the Collections of the Natural History Museum in Oslo, Norway. Collections: A Journal for Museum and Archives Professionals 1–22, https://journals.sagepub.com/doi/10.1177/15501906231159039
Bang, E., Nakrem, H.A., Little, C.T.S., Kürschner, W., Kelly, S.R.A. & Smelror, M. 2022. Palynology of Early Cretaceous (Barremian to Aptian) hydrocarbon (methane) seep carbonates and associated mudstones, Wollaston Forland, Northeast Greenland. Acta Palaeobotanica 62(1), 11–23, 2022. https://doi.org/10.35535/acpa-2022-0002
Lee, S., Shi, G.R., Nakrem, H.A., Woo, J. & Tazawa, J.-I. 2022. Mass extinction or extirpation: Permian biotic turnovers in the northwestern margin of Pangea. Geological Society of America Bulletin 134 (9-10), 2399–2414. https://doi.org/10.1130/B36227.1
Kwon, H., Woo, J., Oh, J.-R., Joo, Y.J., Lee, S., Nakrem, H.A. & Sim, M.S. 2022. Responses of biogeochemical sulfur cycle to Early Permian tectonic and climatic events. Earth and Planetary Science Letters 591, 11 pp. https://doi.org/10.1016/j.epsl.2022.117604
Ernst, A. & Nakrem. H.A. 2021. Two trepostome bryozoans from the Assistance Formation (Permian, Roadian) near Lake Hazen, Ellesmere Island, Canada. GFF 144 (1), 1-8 https://doi.org/10.1080/11035897.2021.1989716
Rønning, K.J., Bruton,D.L., Harper, D.A.T., Høyberget, M., Maletz, J. & Nakrem, H.A. 2020. A Cambrian–Ordovician boundary section in the Rafnes–Herøya submarine tunnel, Skien–Langesund District, southern Norway. Norwegian Journal of Geology, 100, 202015. https://dx.doi.org/10.17850/njg100-3-3
Nakrem, H.A., Sorento, T., Olaussen, S. & Stemmerik, L, 2019: Depositional environment control on bryozoan faunas, Early Permian (Artinskian) Gipshuken Formation, Spitsbergen, Arctic Norway. In: Bryozoan Studies 2016. Proceedings of the Seventeenth International Bryozoology Association Conference, 10-15 April 2016, Melbourne, Australia. Eds.: Schmidt, R., Reid. C.M., Gordon, D.P., Walker, Smith, G., Martin, S. & Percival, I. Memoirs of the Australasian Association of Palaeontologists 52, 101–107. ISSN 2205–8877.
Lee, S., Shi, G.R., Woo, J., Park, T.-Y.S., Oh, J.-R., Kim, N.-K., Nakrem, H.A. & Tazawa, J.-I. 2019. Permian spiriferellid brachiopods from northern Pangea: taxonomy, biostratigraphy, macroevolution and implications for palaeoenvironmental and palaeobiogeographical reconstructions. Journal of Systematic Palaeontology 17(22), 1871-1925, https://www.tandfonline.com/doi/abs/10.1080/14772019.2019.1570569
Delsett, L.L., Druckenmiller, P.S., Hammer, Ø, Hryniewicz, K., Knutsen, E.M., Koevoets, M.J., Nakrem, H.A., Roberts, A.J. & Hurum, J.H. 2019. Mesozoic marine reptiles from Spitsbergen and their ecosystems. Geology Today 35(1), 20-25.
Hjálmarsdóttir, H.R., Nakrem, H.A. & Nagy, J. 2018. Environmental significance and taxonomy of well preserved foraminifera from Upper Jurassic – Lower Cretaceous hydrocarbon seep carbonates, central Spitsbergen. Micropalaeontology 64 (5-6), 46 pp.
Hurum, J.H., Engelschiøn, V.S., Økland, I., Bratvold, J., Ekeheien, C.P., Roberts, A. J., Delsett, L.D., Hansen, B, B., Mørk, A., Nakrem, H.A., Druckenmiller, P. S. & Hammer, Ø. 2018.The history of exploration and stratigraphy of the early to middle Triassic vertebrate bearing strata of Svalbard (Sassendalen Group, Spitsbergen). Norwegian Journal of Geology 98 (2), 165-174.
Hansen, B.B., Hammer, Ø. & Nakrem, H.A. 2018. Stratigraphy and age of the Grippia Niveau, Lower Triassic Vikinghøgda Formation, Spitsbergen. Norwegian Journal of Geology 98 (2), 175-187.
Kleppe, K. S., Nakrem, H.A. & Stouge, S. 2018. Cambrian (Series 3 – Furongian) conodonts from the Alum Shale Formation at Slemmestad, Oslo Region, Norway. Norwegian Journal of Geology 98, 41–53. Norwegian Journal of Geology
Gyøry, E., Jorde, K., Hammer, Ø., Nakrem, H.A., Swajda, M. & Domeier, M. 2018. Mesoproterozoic microbialites from Telemark, Norway, and the origin of Telemarkites. Norwegian Journal of Geology 98, 25-39.
Erikstad, L., Nakrem, H.A. & Markussen, J.A. 2018. Protected geosites in an urban area of Norway - Inventories, values and management. Geoheritage (Springer) v10(2), 219-229. First Online: 02 March 2017, https://doi.org/10.1007/s12371-017-0223-6
Kaim, A., Hryniewicz, K., Little, C.T.S. & Nakrem, H. A. 2017. Gastropods from the Late Jurassic - Early Cretaceous seep deposits in Spitsbergen, Svalbard. Zootaxa 4329 (4): 351–374. https://doi.org/10.11646/zootaxa.4329.4.3
Hryniewicz, K., Bitner, M.A., Durska, E. Hjálmarsdóttir, H.R., Jenkins, R.G., Miyajima, Y., Nakrem, H.A. & Kaim, A. 2016. Paleocene methane seep and wood-fall marine environments from Spitsbergen, Svalbard. Palaeogeography, Palaeoclimatology, Palaeoecology 462, 41-56. http://dx.doi.org/10.1016/j.palaeo.2016.08.037
Borgen, U. J. & Nakrem, H.A. 2016: Morphology, phylogeny and taxonomy of osteolepiform fish. Fossils and Strata 60. Pp. 1–513. ISSN 024-1164. ISBN 9781119286431.
Dalseg, T.S., Nakrem, H.A. & Smelror, M. 2016: Dinoflagellate biostratigraphy, palynofacies, depositional environment and sequence stratigraphy of the Agardhfjellet Formation (Upper Jurassic–Lower Cretaceous) in central Spitsbergen (Arctic Norway). Norwegian Journal of Geology 96, 119-133. http://dx.doi.org/10.17850/njg96-2-04.
Hurum, J.H., Roberts, A.J., Dyke, G.J., Grundvåg, S.A., Nakrem, H.A., Midtkandal, I., Śliwińska, K.K. & Olaussen, S. 2016. Bird or maniraptoran dinosaur? — A femur from the Albian strata of Spitsbergen, Arctic Norway. Palaeontologia Polonica 67, 137-147.
Dalseg, T.S., Nakrem, H.A. & Smelror, M. 2016. Organic-walled microfossils and palynodebris in cold seep carbonate deposits: The Upper Jurassic–Lower Cretaceous Agardhfjellet Formation on Svalbard (Arctic Norway). Norwegian Jornal of Geology 96(2), http://dx.doi.org/10.17850/njg96-2-01.
Hurum, J.H., Druckenmiller, P.S., Hammer, Ø., Nakrem, H.A. & Olaussen, S. 2016. The theropod that wasn’t: an ornithopod tracksite from the Helvetiafjellet Formation (Lower Cretaceous) of Boltodden, Svalbard In: Kear, B. P., Lindgren, J., Hurum, J. H., Mila`n, J. & Vajda, V. (eds) Mesozoic Biotas of Scandinavia and its Arctic Territories. Geological Society, London, Special Publications 434, http://doi.org/10.1144/SP434.10
Hryniewicz, K., Hagström, J., Hammer, Ø., Kaim, A., Little, C.T.S. & Nakrem, H. A. 2015. Late Jurassic-Early Cretaceous hydrocarbon seep boulders from Novaya Zemlya and their faunas. Palaeogeography, Palaeoclimatology, Palaeoecology 436, 231–244.
Høyberget, M., Ebbestad, J.O.R., Funke, B. & Nakrem, H.A. 2015. Trilobites and molluscs of the Lower Cambrian Evjevik Member, Ringstrand Formation in the Mjøsa area, Norway, with notes on the biozonation. Norwegian Journal of Geology 95 (1), 34 pp. doi: http://dx.doi.org/10.17850/njg95-1-02.
Ernst, A. & Nakrem, H.A. 2015. Bryozoans from the Lower Silurian (Wenlockian) Steinsfjorden Formation of Ringerike, southern Norway. Bulletin of Geosciences 90(1), 65–87
Hryniewicz, K., Nakrem, H. A., Hammer, Ø., Little, C.T.S., Kaim, A., Sandy. M. &. Hurum, J.H. 2014. The palaeoecology of latest Jurassic-earliest Cretaceous hydrocarbon seep carbonates from Spitsbergen, Svalbard. Lethaia. DOI: 10.1111/let.12112., 22 pp.
Hurum, J.H., Roberts, A.J., Nakrem, H.A., Stenløkk, J.A. & Mørk, A. 2014. The first recovered ichthyosaur from the Middle Triassic of Edgeøya, Svalbard. Norwegian Petroleum Directorate Bulletin 11, 97–110.
Sandy, M., Hryniewicz, K., Hammer, Ø., Nakrem, H. A., & Little, C.T.S. 2014. Brachiopods from Late Jurassic – Early Cretaceous hydrocarbon seep deposits, central Spitsbergen, Svalbard. Zootaxa, 3884 (6), 32 pp.
Hryniewicz, K., Little, C.T.S. & Nakrem, H. A. 2014. Bivalves from the latest Jurassic-earliest Cretaceous hydrocarbon seep carbonates from central Spitsbergen, Svalbard. Zootaxa 3859(1), 66 pp.
Hammer, Ø., Hryniewicz, K., Hurum, J.H., Høyberget, M., Knutsen, E.M., & Nakrem, H.A. 2013. Large onychites (cephalopod hooks) from the Upper Jurassic of the Boreal Realm. Acta Palaeontologica Polonica 58 (4): 827–835.
Hurum, J.H., Nakrem, H.A., Hammer, Ø., Knutsen, E.M., Druckenmiller, P.S., Hryniewicz, K. & Novis, L.K. 2012. An Arctic Lagerstätte – the Slottsmøya Member of the Agardhfjellet Formation (Upper Jurassic – Lower Cretaceous) of Spitsbergen. Norwegian Journal of Geology 92, 55-64.
Hammer, Ø., Collignon, M. & Nakrem, H. A. 2012. Organic carbon isotope chemostratigraphy and cyclostratigraphy in the Volgian of Svalbard. NorwegianJournal of Geology 92, 103-112.
Hryniewicz, K., Hammer, Ø., Nakrem, H.A. & Little, C.T.S. 2012.Microfacies of the Volgian-Ryazanian (Jurassic-Cretaceous) hydrocarbon seep carbonates from Sassenfjorden, central Spitsbergen, Svalbard. Norwegian Journal of Geology 92, 113-131.
Rousseau, J. & Nakrem, H.A. 2012. An Upper Jurassic Boreal echinoderm Lagerstatte from Janusfjellet, central Spitsbergen. Norwegian Journal of Geology 92, 133-161.
Nakrem, H.A. & Kiessling, W. 2012. Late Jurassic (Volgian) radiolarians from Central Spitsbergen – a preliminary study. Norwegian Journal of Geology 92, 149-155.
Hjalmarsdottir, H.R., Nakrem, H.A. & Nagy, J. 2012. Foraminifera from Late Jurassic – Early Cretaceous hydrocarbon seep carbonates, central Spitsbergen, Svalbard – preliminary results. Norwegian Journal of Geology 92, 157-165.
Holmer, L.E. & Nakrem, H.A. 2012. The lingulid brachiopod Lingularia from lowermost Cretaceous hydrocarbon seep bodies, Sassenfjorden area, central Spitsbergen, Svalbard. Norwegian Journal of Geology 92,167-174.
Druckenmiller, P.S., Hurum, J.H., Knutsen, E.M. & Nakrem, H.A. 2012. Two new ophthalmosaurids (Reptilia: Ichthyosauria) from the Agardhfjellet Formation (Upper Jurassic: Volgian/Tithonian), Svalbard, Norway. Norwegian Journal of Geology 92, 311-339.
Ernst, A. & Nakrem, H. A. 2011. Late Ordovician (Sandbian) bryozoans and their depositional environment, Furuberget Formation, Mjøsa District, Oslo Region, Norway. Bulletin of Geosciences v87. (printed 2012)
Ernst, A. & Nakrem, H.A. 2011. Bryozoans from the Ordovician Mjøsa Formation, Oslo Region. Norwegian Journal of Geology 91, 163-180. (printed 2012)
Hetherington, C.J., Nakrem, H.A. & Potel, S. 2011. Note on the composition and mineralogy of Wenlock Silurian bentonites from the Ringerike District: Implications for local and regional stratigraphic correlation and sedimentary environments. Norwegian Journal of Geology 91, 181-192. (printed 2012)
Wierzbowski, A., Hryniewicz, K., Hammer, Ø., Nakrem, H.A. & Little, C.T.S. 2011: Ammonites from hydrocarbon seep carbonate bodies from the uppermost Jurassic-lowermost Cretaceous of Spitsbergen, Svalbard, and their biostratigraphic importance. Neues Jahrbuch für Geologie und Paläontologie 262, 267–288.
Hammer, Ø., Nakrem, H.A., Little. C.T.S., Hryniewicz, K., Sandy, M.R., Druckenmiller, P., Knutsen, E.M., Hurum, J.H. & Høyberget, M. 2011. Hydrocarbon seeps from close to the Jurassic–Cretaceous boundary, Svalbard. Palaeogeography, Palaeoclimatology, Palaeoecology 306, 15-26.
Van Koeverden, J.H., Nakrem, H.A. & Karlsen, D.A. 2010. Migrated oil on Novaya Zemlya, Russian Arctic: Evidence for a novel petroleum system in the eastern Barents Sea and the Kara Sea. AAPG Bulletin 94(6), 791–817.
Nakrem, H.A., Blazejowski, B. & Gazdzicki, A. 2009. Lower Permian bryozoans from southern and central Spitsbergen, Svalbard. Acta Palaeontologica Polonica 54, 677-698.
Baud, A., Nakrem, H. A., Beauchamp, B., Beatty, T.W., Embry, A.F. & Henderson, C.M. 2008. Lower Triassic bryozoan beds from Ellesmere Island , High Arctic, Canada. Polar Research 27, 428-440.
Nakrem, H. A., Orchard, M.J., Weitschat, W., Hounslow, M.W., Beatty, T.W. & Mørk, A. 2008. Triassic conodonts from Svalbard and their Boreal correlations. Polar Research 27, 523-539.
Nakrem, H. A. 2008. Fossil Bryozoa from Svalbard (Arctic Norway) - a research history. In: P. Wyse Jackson, P. & M. Spencer Jones (eds): Annals of Bryozoology 2: aspects of the history of research on bryozoans. Pp. 71-88. International Bryozoology Association, Dublin. ISBN 0-9543644-1-4.
Nakrem, H.A. & Ernst, E. 2008. Arcticoporidae fam. nov. (Bryozoa, Trepostomata) from the Lower Triassic of Ellesmere Island ( Canada ) with remarks on some other Triassic bryozoans. In: J. E. Winston, M. M. Key, Jr., and S. J. Hageman (eds.). 14th International Bryozoology Association Conference Volume. Special Publication Series of the Virginia Museum of Natural History Press; Martinsville , pp. 143-152.
Ernst, A. & Nakrem, H. A. 2007. Lower Permian Bryozoa from Ellesmere Island (Canada). Palëontologische Zeitschrift 81 (1), 17-28.
Bruton, D. L. & Nakrem, H. A. 2005. Enrolment in a Middle Ordovician agnostoid trilobite. Acta Palaeontologica Polonica 50 (3): 441–448.
Nakrem, H. A. 2005. Some middle Permian bryozoans from Svalbard , Arctic Norway. I: Bryozoan Studies 2004 . Great Britain : Taylor & Francis Books 2005. ISBN 0415372933. p. 197-205
Ernst, A. & Nakrem, H. A. 2005. Bryozoans from the Artinskian (Lower Permian) Great Bear Cape Formation , Ellesmere Island (Canadian Arctic ). I: Bryozoan Studies 2004. Great Britain : Taylor & Francis Books 2005. ISBN 0415372933, p. 63-68
Hetherington, C.J., Nakrem, H.A. & Batchelor, R.A. 2004 The Bjørntvet metabentonite: A new correlation tool for the Silurian of the southwest Oslo Region. Norwegian Journal of Geology 84, 239-250 (NGT).
Glørstad, H., Nakrem, H. A. & Tørhaug, V. 2004. Nature in Society: Reflections over a Mesolithic Sculpture of a Fossilised Shell. Norwegian Archaeological Review 37(2), 95-110.
Nakrem, H. A. 2002. A Moscovian (Carboniferous) bryozoan buildup from Svalbard. In: Wyse Jackson, P., Buttler, C. & Spencer Jones, M. (Eds.) Bryozoan Studies 2001, 239-245. Swets & Zeitlinger, Lisse.
Nakrem, H. A., Szaniawski, H., & Mørk, A. 2001. Permian-Triassic scolecodonts and conodonts from the Svalis Dome, central Barents Sea, Norway - Acta Palaeontologica Polonica 46(1), 67-84.
Mørk, A., Elvebakk, G., Forsberg, A. W., Hounslow, M. W., Nakrem, H. A., Vigran, J. O., Weitschat, W. 1999. The type section of the Vikinghøgda Formation: a new Lower Triassic unit in central and eastern Svalbard. Polar Research 18(1), 51-82.
Smelror, M., Cocks, L. R. M., Mørk, A., Neuman, B. E. E. & Nakrem, H. A. 1997. Upper Ordovician - Lower Silurian strata and biota from offshore south Norway Norsk Geologisk Tidsskrift 77(4), 251-268.
Pickard, N. A. H., Eilertsen, F., Hanken, N.-M., Johansen, T. A., Lønøy, A., Nakrem, H. A., Nilsson, I., Samuelsberg, T. J. & Somerville, I. D. 1996. Stratigraphic framework of Upper Carboniferous (Moscovian-Kasimovian) strata in Bünsow Land, central Spitsbergen: palaeogeographic implications. Norsk Geologisk Tidsskrift 76, 169-185.
Sobolev, N. N. & Nakrem, H. A. 1996. Middle Carboniferous - Lower Permian conodonts of Novaya Zemlya. Norsk Polarinstitutt Skrifter 199, 128 pp. [Printed 1997]
Nakrem, H. A. 1996. Norwegian Natural History Museum Collection Computerization: A First Report. Collection Forum 12 (2), 55-59. [Printed 1997]
Nakrem, H. A. & Spjeldnæs, N. 1995. Ramipora hochstetteri Toula, 1875 (Bryozoa, Cystoporata), from the Permian of Svalbard. Journal of Paleontology 69 (5), 831-838.
Nakrem, H. A. 1994. Middle Carboniferous-Lower Permian bryozoans from Spitsbergen. Acta Palaeontologica Polonica 39 (1), 45-116.
Nakrem, H. A. 1994. Bryozoans from the Lower Permian Vøringen Member (Kapp Starostin Formation), Spitsbergen (Svalbard). Norsk Polarinstitutt Skrifter 196, 92 pp. [Printed 1995]
Nakrem, H. A., Nilsson, I. & Mangerud, G. 1992. Permian biostratigraphy of Svalbard (Arctic Norway) - A review. International Geology Review 34 (9), 933-959.
Nakrem, H. A. 1991. Conodonts from the Permian succession of Bjørnøya (Svalbard). Norsk Geologisk Tidsskrift 71, pp. 235-248.
Nakrem, H. A., Nilsson, I. & Simonsen, B. T. 1991. Moscovian (Carboniferous) microfossils (Bryozoa, Conodonta and Fusulinida) from Novaya Zemlya, Arctic U.S.S.R. Polar Research 9(1), 45-64.
Nakrem, H. A. & Mørk, A. 1991. New Early Triassic Bryozoa (Trepostomata) from Spitsbergen, with some remarks on the stratigraphy of the investigated horizons. Geological Magazine 128, 129-140.
Nakrem, H. A. 1988. Permian bryozoans from southern Spitsbergen and Bjørnøya. A review of bryozoans described by J. Malecki (1968, 1977). Polar Research 6, 113-121.
Armstrong, H. A., Nakrem, H. A. & Ohta, Y. 1986. Ordovician conodonts from Bulltinden Formation, Motalafjella, central western Spitsbergen. Polar Research 4, 17-23.
Nakrem, H. A. 1986. Llandovery conodonts from the Oslo Region, Norway. Norsk Geologisk Tidsskrift 66, 121-133.
Selected non-refereed publications
Erikstad, L., Hoel, O.A., Nakrem, H.A. & Markussen, J.A. 2014. Forvaltningsplan for geologiske verneområder i Buskerud, Oslo og Akershus med tilleggsvurderinger. Fylkesmannen i Oslo og Akershus, Miljøvernavdelingen, rapportnummer 5-2013, 135 pp.
Nakrem, H.A. & Rasmussen, J.A. 2013. Oslo district, Norway. In: M. Calner, P. Ahlberg, O. Lehnert & M. Erlström (eds.): The Lower Palaeozoic of southern Sweden and the Oslo Region, Norway. Field Guide for the 3rd Annual Meeting of the IGCP project 591. Sveriges geologiska undersökning Rapporter och meddelanden 133, 58–85 (+references). 50 MB size!
Nakrem, H. A., Hurum, J. H. & Dallmann, W. 2004. Protection of articulated marine Jurassic reptiles of Svalbard. ProGEO News 2004;4:1-4
Nakrem, H. A. 2001. Palaeodatabases in Norway. EUROPAL 18, 21-28.
Selected Editorials
Nakrem, H.A. & Husås, A. M. (Redaktører) 2025. NGF 36. Geological Winter Meeting. January 6-8 2025. NGF Abstracts and Proceedings of the Geological Society of Norway 1 (2025), 112 pp. ISBN: 978-82-8347-060-4
Nakrem, H.A. (Redaktør) 2024. 21st European Association of Vertebrate Palaeontologists (EAVP) Conference 2024, Longyearbyen. NGF Abstracts and Proceedings of the Geological Society of Norway 1 (2024), 72 pp. ISBN: 978-82-8347-056-7
Nakrem, H.A. & Husås, A. M. (Redaktører) 2023. NGF 34. Geological Winter Meeting. January 4-6. 2023. NGF Abstracts and Proceedings of the Geological Society of Norway 1 (2023), 104 pp. ISBN: 978-82-8347-052-9
Nakrem, H.A. & Husås, A. M. (Redaktører) 2021. NGF 33. Geological Winter Meeting. Digitally, January 6-8. 2021. NGF Abstracts and Proceedings of the Geological Society of Norway 1 (2021), 86 pp. ISBN: 978-82-8347-049-2
Nakrem, H.A. & Husås, A. M. (Redaktører) 2020. 34th Nordic Geological Winter Meeting. Oslo, January 8.-10. 2020. NGF Abstracts and Proceedings of the Geological Society of Norway 1 (2020), 239 pp. ISBN: 978-82-8347-018-5
Internal museum catalogues
Norborg, A. K., Dalland, A., Heintz, N. & Nakrem, H. A. 1997. Catalogue of Jurassic/Cretaceous fossils and sedimentary rocks from Andøya, northern Norway. Contributions from the Paleontological Museum, University of Oslo 406, 77 pp.
Nakrem, H. A. 1989. Catalogue of fossils and geological material from Novaya Zemlya, U.S.S.R. Contributions from the Paleontological Museum, University of Oslo 356, 75 pp.
Recent conference abstracts (since 2015)
Høyberget, M., Ebbestad, J.O.R., Funke, B., Funke, M.-L. K. & Nakrem, H.A. 2023. A preliminary report on The Skyberg Biota, a new lower Cambrian Lagerstätte from the Mjøsa area in Norway. NGF Abstracts and Proceedings of the Geological Society of Norway 1 (2023), p. 42. ISBN: 978-82-8347-052-9
Lindemann, F.‐J., Lindskog, A., Doyle, P., Stouge, A., Nakrem, H.A. 2023. Lethaia and Fossils and Strata are Open Access. NGF Abstracts and Proceedings of the Geological Society of Norway 1 (2023), p. 54-55. ISBN: 978-82-8347-052-9
Nakrem, H.A. 2022. Permian bryozoans from Svalbard – a review. 19th IBA International Conference – Dublin, 22.-26. August 2022 – Abstract Volume, p. 45.
Bang, E., Smelror, M., Kürschner, W.M. & Nakrem, H.A. 2021. Palynology of Early Cretaceous hydrocarbon seep carbonates from Wollaston Forland, Northeast Greenland – preliminary results. NGF Abstracts and Proceedings of the Geological Society of Norway 1 (2021), p. 5
Rønning, K.J., Bruton, D.L., Harper, D.A.T., Høyberget, M., Maletz, J. & Nakrem, H.A. 2021. A Cambrian–Ordovician boundary section in the Rafnes–Herøya submarine tunnel, Skien–Langesund District, southern Norway. NGF Abstracts and Proceedings of the Geological Society of Norway 1 (2021), p. 67-68.
Hurum, J. H., Delsett, L.L., Hammer, Ø. & Nakrem, H.A. 2020. 15 years with the Spitsbergen Mesozoic Research Group. NGF Abstracts and Proceedings of the Geological Society of Norway 1 (2020), p. 98. ISBN: 978-82-8347-018-5
Nakrem, H.A., Little, C.T.S. & Kelly, S.R.A. 2020. Early Cretaceous hydrocarbon seep carbonates from Wollaston Forland, Northeast Greenland. NGF Abstracts and Proceedings of the Geological Society of Norway 1 (2020), p. 149. ISBN: 978-82-8347-018-5
Utvalgte populærvitenskapelige artikler
Knarud, R. & Nakrem, H.A. 2025. Den første «Hadelending» var et lite knøtt og kom langveis fra. Årbok for Hadeland 2025, 175-185. ISBN 978-82-90070-69-9.
Nakrem, H.A. 2025. Trilobittens skarpe blikk! GEONYTT 30 (3), 16-17.
Nakrem, H.A. 2025. In memorian Ernie Gilmour. IBA Bulletin 21(1), 11-13, ISSN 1941-7918.
Nakrem, H.A. 2024. En geologisk historiebok. Side 54-55, i ”Landskapet forteller. 100 historier om Norges geologi”, Norsk Geologisk Forening, ISBN 978-82-8347-057-4.
Nakrem, H.A. 2024. Geologisk øyhopping. Side 64-65, i ”Landskapet forteller. 100 historier om Norges geologi”, Norsk Geologisk Forening, ISBN 978-82-8347-057-4.
Rafaelsen, B. & Nakrem, H.A. 2024. Dolomitt-trollene. Side 232-233, i ”Landskapet forteller. 100 historier om Norges geologi”, Norsk Geologisk Forening, ISBN 978-82-8347-057-4.
Nakrem, H.A & Hurum, J.H.. 2024. En vegg av ekte fossiler. GEONYTT 29 (2), 36-37.
Nakrem, H.A. 2024. Fossiler i Marokkos fosfatforekomster (kritt – paleogen). Stein nr 2 (2024), 3-8. ISSN 0802-9121.
Amundsen, M., Hammer, Ø. & Nakrem, H.A. 2023. Massedød hos trilobitter, ordovicium, Marokko. Stein nr 4 (2023), 18-22. ISSN 0802-9121.
Nakrem, H.A. 2023. Kampen for tilværelsen. GEONYTT 28 (4), 23-26.
Nakrem, H.A. 2023. Etterlysning: Silurkalk på Hardangervidda. GEONYTT 28 (3), 20-22.
Nakrem, H.A. 2023. Geoturisme. Marokkos fosfatforekomster, vel verdt et besøk. GEONYTT 28 (3), 16-19.
Hurum, J.H. & Nakrem, H.A. 2023. Rester fra en okkupasjon. Fortid nr2/2023, 22-24. ISSN 1504-1913
Nakrem, H.A. & Sørgaard, K. 2022. Lindøya i indre Oslofjord, en geologisk rusletur. GEONYTT nr 3 (2022), 23-29.
Nakrem, H. A. 2022. Konodonter – mikrofossiler med skjulte verdier. Stein nr 3 (2022), 3-6.
Nakrem, H.A. & Sørgaard, K. 2022. Lindøyas opprinnelse – den geologiske historien. I: Erichsen, K.-A., Huuse, A.-S. E., Myhre, J.C., Lintoft, C. & Skaar, T.E. "Lindøya Vel 1922–2022 Jubileumsbok", 46-54.
Nakrem, H.A. 2022. Fossiljakt i Nasjonalmuseet i Oslo. GEONYTT nr 2 (2022), 12-13.
Eriksen, M. & Nakrem, H.A. 2022. Trilobittenes massegrav. GEONYTT nr 1 (2022), 13-19.
Nakrem, H.A., Hurum, J.H. & Delsett, L.L. 2022. Geologien i Slemmestadområdet. Stein nr 1 (2022), 7-13.
Nakrem, H.A. 2022. Graptolittene i Slemmestad. Stein nr 1 (2022), 27-30.
Guttormsen, J. & Nakrem, H.A. 2022. Blekksprutfeltet i Slemmestad. Stein nr 1 (2022), 36-40.
Knarud, R. & Nakrem, H.A. 2021. Hva kan steinene i “Steinhuset” på Granavollen fortelle oss? GEONYTT nr 4 (2021), 4-16.
Nakrem, H.A. 2021. 100 år etter Olaf Holtedahls ekspedisjon til Novaja Zemlja. GEONYTT nr 4 (2021), 28-31.
Nakrem, H. A. 2020. Verneverdige lokaliteter vandaliseres. Oslofeltets historske ekskursjonslokaliteter forvitrer etter offentlige inngrep. GEO 06 (2020), s. 57. ISSN 1500-8371
Nakrem, H.A. 2020. Nord-Afrikas ikoniske dinosaur: kjøttetende gigant med imponerende ryggseil. GEO 05 (2020), 10-16.
Nakrem, H.A. 2020. Pre-kambrisk liv: en spektakulær stromatolittforekomst fra Marokko. Naturen, 2020-nr4, 136-141.
Nakrem, H.A. 2020. Eksepsjonelle fossiler i Marokko kobler den kambriske eksplosjonen til den ordoviciske radiasjonen. Biolog nr 2-2020, 32-37.
Selected web productions
Geological Museum's Fossil Exhibitions (Norwegian)
Norwegian Mammoths (In Norwegian)
Schmidt Trilobites