• Accretionary mechanisms and temporal sequence of formation of the Boda Limestone mud-mounds (Upper Ordovician), Siljan District, SwedenKröger, Björn; Ebbestad, Jan Ove R.; Lehnert, OliverJournal of sedimentary research2016 / p. 363-379 : ill https://doi.org/10.2110/jsr.2016.12
• Age, facies, and geometry of the Sandbian/Katian (Upper Ordovician) pelmatozoan-bryozoan-receptaculitid reefs of the Vasalemma Formation, northern EstoniaKröger, Björn; Hints, Linda; Lehnert, OliverFacies2014 / p. 963-986 : ill https://doi.org/10.1007/s10347-014-0410-8 https://www.scopus.com/sourceid/22610 https://www.scopus.com/record/display.uri?eid=2-s2.0-84939887646&origin=inward&txGid=4b73a65229727c16f444d278e6c0830d https://jcr.clarivate.com/jcr-jp/journal-profile?journal=FACIES&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000343645800007
• Alpha, beta and gamma diversity controls on Ordovician-Silurian brachiopods of the Baltic BasinsKröger, Björn; Penny, A.; Hints, Olle13th International Symposium on the Ordovician System : Novosibirsk, Russia (July 19-22, 2019) : contributions2019 / p. 107 http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf
• Carbonate shelf development and early Paleozoic benthic diversity in Baltica : a hierarchical diversity partitioning approach using brachiopod dataPenny, Amelia; Hints, Olle; Kröger, BjörnPaleobiology2022 / p. 44-64 https://doi.org/10.1017/pab.2021.3 https://www.scopus.com/sourceid/14005 https://www.scopus.com/record/display.uri?eid=2-s2.0-85108162211&origin=inward&txGid=0fb5efc0f3b19044ea655bc4be28d925 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PALEOBIOLOGY&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000779671700001
• Conch structures, soft-tissue imprints and taphonomy of the Middle Ordovician cephalopod Tragoceras falcatum from EstoniaPohle, Alexander; Klug, Christian; Toom, Ursula; Kröger, BjörnFossil Imprint2019 / p. 70-78 : ill https://doi.org/10.2478/if-2019-0006 https://www.scopus.com/sourceid/21100790799 https://www.scopus.com/record/display.uri?eid=2-s2.0-85073790598&origin=inward&txGid=2d96c7836689db01ec784844b079860f
• Evolution of a Katian tropical hardgroundToom, Ursula; Kröger, Björn; Knaust, Dirk; Moghalu, Ogechukwu Ann; Vöröš, Dominik; Vodrážková, StanislavaXI Baltic Stratigraphical Conference : abstracts and field guide2024 / p. 39 https://www.ester.ee/record=b5696260*est https://files.geocollections.info/95c3f9cd-1a5f-428b-a1a6-517682aced9d.pdf
• Glacioeustatic karst development in the Late Ordovician of BalticaLehnert, Oliver; Männik, Peep; Nõlvak, Jaak; Kröger, Björn; Joachimski, Michael M.; Calner, Mikael; Bauert, HeikkiIGCP 591 : The Early to Middle Paleozoic Revolution : Closing Meeting, Ghent University, Belgium, 6-9 July 2016 : abstracts2016 / p. 52
• Late Ordovician karst valleys, caves, and breccias of Baltoscandia - a mirror of glacioeustatic sea level changes on a subtropical carbonate shelfLehnert, Oliver; Männik, Peep; Nõlvak, Jaak; Kröger, Björn; Joachimski, Michael M.; Calner, Mikael; Bauert, Heikki; Schmid, RebekkaFossils : Key to evolution, stratigraphy and palaeoenvironments : 87th Annual Conference of the Paläontologische Gesellschaf e. V. : Dresden, September 11-15, 2016 : programme, abstracts, field trip guides2016 / p. 91-92 http://www.palges.de/fileadmin/pdf/Tagung_2016/PalGesDresden_programme_abstracts.pdf
• Marine substrate change and biodiversity in the OrdovicianPenny, Amelia; Hints, Olle; Desrochers, Andre; Kröger, BjörnZooming in on the GOBE : 2020 virtual annual meeting of IGCP 653 : International Geoscience Programme Project 653 : The onset of the Great Ordovician Biodiversification Event, September 7-10, 2020 : Abstracts2020 / p. 35 https://www.researchgate.net/publication/344172580_IGCP_653_2020_Virtual_Annual_Meeting_Zooming_in_on_the_GOBE_Abstracts_Programme
• Noncalcified dasyclad algae from the Vasalemma Formation, late Sandbian (Late Ordovician) of EstoniaKröger, Björn; Tinn, Oive; Rikkinen, Jouko; Jolis, Ester M.; Butcher, Alan R.; Toom, Ursula; Hints, OlleReview of palaeobotany and palynology2023 / art. 104970, 9 p. : ill https://doi.org/10.1016/j.revpalbo.2023.104970 https://www.scopus.com/sourceid/14600 https://www.scopus.com/record/display.uri?eid=2-s2.0-85170203065&origin=inward&txGid=0ad4c777b6de92686289e71543625305 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=REV%20PALAEOBOT%20PALYNO&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001165264200001
• On the enigma of Palaenigma wrangeli (Schmidt), a conulariid with a partly non-mineralized skeletonKröger, Björn; Vinn, Olev; Toom, Ursula; Corfe, Ian J.; Kuva, Jukka; Zaton, MichalPeerJ2021 / Art. e12374 https://doi.org/10.7717/peerj.12374 https://www.scopus.com/sourceid/21100239256 https://www.scopus.com/record/display.uri?eid=2-s2.0-85118474801&origin=inward&txGid=0bf25e4f24347a293400425e05e382bd https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PEERJ&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000744567200001
• Ordovician reef and mound evolution: the Baltoscandian pictureKröger, Björn; Hints, Linda; Lehnert, OliverGeological magazine2017 / p. 683-706 : ill https://doi.org/10.1017/S0016756816000303 https://www.scopus.com/sourceid/26476 https://www.scopus.com/record/display.uri?eid=2-s2.0-84973348807&origin=inward&txGid=e80a2ed73045fc527cb7caf4518d967b https://jcr.clarivate.com/jcr-jp/journal-profile?journal=GEOL%20MAG&year=2017 https://www.webofscience.com/wos/woscc/full-record/WOS:000402811500002
• Rummu quarryKröger, Björn; Toom, Ursula; Männik, Peep; Ernst, AndrejXI Baltic Stratigraphical Conference : abstracts and field guide2024 / p. 101-106 : ill https://www.ester.ee/record=b5696260*est https://files.geocollections.info/3fb2472a-7b49-4ecb-92b8-9d215c5293ff.pdf
• Scale dependent diversity of bryozoan assemblages in the reefs of the Late Ordovician Vasalemma Formation, EstoniaKröger, Björn; Ernst, Andrej; Penny, Amelia; Nakrem, Hans Arne; Toom, UrsulaLethaia2023 / p. 1-16 : ill https://doi.org/10.18261/let.56.2.7 https://www.scopus.com/sourceid/13956 https://www.scopus.com/record/display.uri?eid=2-s2.0-85167736844&origin=inward&txGid=91743d2475a8103a38d1a21777e4e760 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=LETHAIA&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001065878700003
• Stop 6: Vasalemma quarryKröger, Björn; Toom, UrsulaISOS-14 Field Guide: The Ordovician of Estonia2023 / p. 37-42 https://kirjandus.geoloogia.info/en/reference/48400
• Stop 7: Sutlema quarryKröger, Björn; Toom, UrsulaISOS-14 Field Guide: The Ordovician of Estonia2023 / p. 43-48 https://kirjandus.geoloogia.info/en/reference/48401
• Sutlema quarryKröger, Björn; Toom, UrsulaXI Baltic Stratigraphical Conference : abstracts and field guide2025 / p. 151-156 : ill https://www.ester.ee/record=b5696260*est https://files.geocollections.info/369a0bb7-cb7f-4215-9108-ffe05295db63.pdf
• Terminal Ordovician stratigraphy of the Siljan district, SwedenEbbestad, Jan Ove R.; Högström, Anette E. S.; Frisk, Åsa M.; Martma, Tõnu; Kröger, Björn; Kaljo, Dimitri; Pärnaste, HeljeGFF2015 / p. 36 - 56 https://doi.org/10.1080/11035897.2014.945620 https://www.scopus.com/sourceid/25844 https://www.scopus.com/record/display.uri?eid=2-s2.0-84923477097&origin=inward&txGid=f94f37e11fc56fd8aa264e15345c53be https://jcr.clarivate.com/jcr-jp/journal-profile?journal=GFF&year=2013 https://www.webofscience.com/wos/woscc/full-record/WOS:000349787800005
• The early Katian (Late Ordovician) reefs near Saku, northern Estonia and the age of the Saku Member, Vasalemma FormationKröger, Björn; Hints, Linda; Lehnert, Oliver; Männik, Peep; Joachimski, Michael M.Estonian journal of earth sciences2014 / p. 271-276 : ill https://doi.org/10.3176/earth.2014.30 https://www.ester.ee/record=b2246661*est https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-84919395002&origin=inward&txGid=64d6202d913dc3a8f08607921f7c6f3f https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000346296000015
• The Great Ordovician Biodiversification Event: Linked to phytoplankton evolution or to asteroid impacts?Servais, T.; Hints, Olle; Kröger, Björn; Nõlvak, Jaak; Vecoli, M.; Wallin, A.The Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guide2008 / p. 63
• Vasalemma paas : Eesti ala vanim rifflubjakivi Hilis-Ordoviitsiumi troopikastKröger, Björn; Hints, LindaHorisont2014 / lk. 12-13 : ill https://artiklid.elnet.ee/record=b2679629*est
• Where did the Ordovician Bioerosional Revolution begin?Toom, Ursula; Kröger, Björn; Kuva, Jukka; Laska, W.; Moghalu, Ogechukwu AnnICHNIA 2024 - The 5th International Congress on Ichnology. Celebrating One Ichnology!2024 / p. 279–280 https://kirjandus.geoloogia.info/en/reference/49268
• A Balanoglossites-Trypanites ichnofabric from the Upper Ordovician warm-water carbonates of EstoniaToom, Ursula; Kröger, Björn; Knaust, DirkFollowing in the footsteps of Richard Granville Bromley : abstracts and field guide2023 / p. 38 : ill https://www.researchgate.net/publication/375450713_Following_in_the_footsteps_of_Richard_Granville_Bromley_abstracts_and_field_guide_17th_International_Ichnofabric_Workshop_23-29_October_2023_in_Faxe_Denmark