A new chitinozoan species from the Middle Ordovician of EstoniaNõlvak, JaakEstonian journal of earth sciences2012 / p. 131-132 : ill https://artiklid.elnet.ee/record=b2497395*est

A new chitinozoan species from the Upper Ordovician of the East BalticNõlvak, JaakEstonian journal of earth sciences2007 / 1, p. 63-64 : ill

Age constraints of the Hungshihyen Formation (Early to Middle Ordovician) on the western margin of the Yangtze Platform, South China : new insights from chitinozoansLiang, Yan; Wang, Guang-Xu; Servais, Thomas; Wu, Rong-Chang; Nõlvak, Jaak; Hints, Olle; Weif, Xin; Gong, Fang-YiPalaeoworld2020 / p. 66-74 : ill https://doi.org/10.1016/j.palwor.2019.05.008 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Age of Estonian kukersite oil shale - Middle or Late Ordovician?Hints, Olle; Nõlvak, Jaak; Viira, ViiveOil shale2007 / 4, p. 527-533 : ill

An example of a regional geological database and its application for analyzing
diversity patterns of Ordovician and Silurian chitinozoans of BaltoscandiaHints, Olle; Antonovitš, Liina; Nestor, Viiu; Nõlvak, JaakOrdovician By The Lakes : International Geoscience Programme Project 653 - Opening Meeting2016 / p. 19-20 http://www.igcp653.org/wp-content/uploads/2016/03/A5-Programme-FINAL-WEB-2-REDUCED.pdf

Assessing the quality of Baltoscandian chitinozoan biozones using quantitative stratigraphy [Online resource]Hints, Olle; Antonovitš, Liina; Nõlvak, Jaak; Liang, YanTrekking Across the GOBE : From the Cambrian through the Katian, June 3-7, 2018 : program & abstracts2018 / p. 39 https://igcp653athens2018.files.wordpress.com/2018/05/conference-programabstracts-sm1.pdf

Baltic Ordovician and Silurian chitinozoans : a quantitative stratigraphic synthesisAntonovitš, Liina; Nestor, Viiu; Nõlvak, Jaak; Hints, Olle; Martma, Tõnu; Kiipli, TarmoIGCP 591 : The Early to Middle Paleozoic Revolution : Closing Meeting, Ghent University, Belgium, 6-9 July 2016 : abstracts2016 / p. 22

Biostratigraphic (graptolites, chitinozoans, acritarchs, brachiopods) and chemostratigraphic (delta13C) correlations between latest Ordovician strata in Laurentia and BalticaDelabroye, A.; Vecoli, M.; Nõlvak, Jaak; Uutela, AThe Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guide2008 / p. 15

Boundary between the Porkuni and Juuru regional stages in the Neitla section, EstoniaMännik, Peep; Nõlvak, JaakEstonian journal of earth sciences2023 / p. 66-69 : ill https://doi.org/10.3176/earth.2023.52

A brief overview of the history and geology of TallinnNõlvak, Jaak15th Meeting of the Association of European Geological Societies "Georesources and public policy : research, management, environment" : 16-20 September 2007, Tallinn, Estonia : excursion guidebook2007 / p. 5-9 : ill., map https://www.ester.ee/record=b2291671*est

CHITDB : a database for documenting and analysing diversification of Ordovician-Silurian chitinozoans in the Baltic regionHints, Olle; Antonovitš, Liina; Bauert, Garmen; Nestor, Viiu; Nõlvak, Jaak; Tammekänd, MairyLethaia2018 / p. 218 - 227 https://doi.org/10.1111/let.12249 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Chitinozoan biostratigraphy in the Ordovician of BaltoscandiaNõlvak, Jaak2002 http://www.ester.ee/record=b1035650*est

Chitinozoan biostratigraphy of the Upper Ordovician D. clingani and P. linearis graptolite biozones on the Island of Bornholm, DenmarkVandenbroucke, Thijs R. A.; Recourt, Philippe; Nõlvak, Jaak; Nielsen, Arne T.Stratigraphy2013 / p. 281-301 : ill

Chitinozoan dynamics and biostratigraphy in the Väo Formation (Darriwilian) of the Uuga Cliff, Pakri Peninsula, NW EstoniaTammekänd, Mairy; Hints, Olle; Nõlvak, JaakEstonian journal of earth sciences2010 / 1, p. 25-36 : ill https://artiklid.elnet.ee/record=b1965715*est

Chitinozoan response to a gigantic Late Ordovician volcanic ash fall recorded in northern EstoniaHints, Olle; Bauert, Garmen; Grigorjeva, Irina; Nõlvak, Jaak; Meidla, Tõnu; Perrier, Vincent10th Baltic Stratigraphic Conference : Checiny, 12-14 September 2017 : abstracts and field guide2017 / p. 34-35 http://geo.uw.edu.pl/tl_files/publikacje/10th_Baltic_Stratigraphic_Conference_Abstracts_and_Field_Guide.pdf

Chitinozoans with “skirt”: Ultrastructure and palaeoecological implications of carina in Cyathochitina Eisenack, 1955Wang, Wenhui; Liang, Yan; Lyu, Qiao; Hints, Olle; Chen, Shefa; Nõlvak, JaakPalaeogeography, palaeoclimatology, palaeoecology2021 / art. 110348, 16 p.: ill https://doi.org/10.1016/j.palaeo.2021.110348 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Clarifying Haljala Stage in EstoniaPaiste, Tõnn; Meidla, Tõnu; Männik, Peep; Nõlvak, Jaak13th International Symposium on the Ordovician System, July 19-22, 20192019 / p. 149–150 http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf

Climate changes in the pre-Hirnantian late Ordovician based on δ18Ophos studies from EstoniaMännik, Peep; Lehnert, Oliver; Nõlvak, Jaak; Joachimski, Michael M.Palaeogeography, palaeoclimatology, palaeoecology2021 / p. 110347, 16 p. : ill https://doi.org/10.1016/j.palaeo.2021.110347 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

A CONOP9 quantitative stratigraphic model of Baltic Ordovician and Silurian chitinozoan distribution and K-bentonitesAntonovitš, Liina; Nestor, Viiu-Kai; Nõlvak, Jaak; Bauert, Garmen; Hints, Olle; Kiipli, TarmoStratigraphy2015 / p. 91-92

Correlation of the Middle and Upper Ordovician rocks of Baltoscandia using CONOP9: preliminary resultsGoldman, D.; Klosterman, S.L.; Nõlvak, Jaak; Sheets, H.D.; Miller, G.C.The Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guide2008 / p. 21

Darriwilian (Middle Ordovician) conodont biostratigraphy in NW EstoniaHints, Olle; Viira, Viive; Nõlvak, JaakEstonian journal of earth sciences2012 / p. 210-226 : ill https://kirj.ee/public/Estonian_Journal_of_Earth_Sciences/2012/issue_4/earth-2012-4-210-226.pdf

[delta]13C record of the Upper Ordovician succession of the Borenshult-1 core (Motala, Sweden) and its intracontinental correlationLechnert, O.; Calner, M.; Joachimski, Michael M.; Buggisch, W.; Nõlvak, JaakThe Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guide2008 / p. 40

Discovery of rich Katian-Hirnantian jawed polychaete fauna from the Prague Basin, Czech RepublicTonarova, Petra; Vodražkova, Stanislava; Čap, Pavel; Hints, Olle; Nõlvak, Jaak; Kubajko, MichalLille 2021 : Ordovician of the World : programme with abstracts2021 / p. 75-76 https://docplayer.net/219093593-Programme-with-abstracts-2021-virtual-annual-meeting-of-igcp-virtual-annual-meeting-of-igcp-735.html

Distribution of Ordovician chitinozoansNõlvak, Jaak; Bauert, GarmenEstonian geological sections / Geological Survey of Estonia2006 / p. 9-11

Distribution of Ordovician chitinozoansNõlvak, JaakMännamaa (F-367) drill core2008 / p. 13-18 : ill

Early and early Middle Ordovician chitinozoans from the Baldone drill core, central LatviaNõlvak, Jaak; Liang, Yan; Hints, OlleEstonian journal of earth sciences2022 / p. 25-43 : ill https://doi.org/10.3176/earth.2022.03 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Early diversification of chitinozoans on Baltica : new data from northern Estonia and LatviaLiang, Yan; Nõlvak, Jaak; Hints, Olle13th International Symposium on the Ordovician System : Novosibirsk, Russia (July 19-22, 2019) : contributions2019 / p. 119–120 http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf

Early diversification of Ordovician chitinozoans on Baltica : New data from the Jägala waterfall section, northern EstoniaNõlvak, Jaak; Liang, Yan; Hints, OllePalaeogeography, palaeoclimatology, palaeoecology2019 / p. 14-24 : ill https://doi.org/10.1016/j.palaeo.2019.04.002 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Eesti Vabariik : maa. Rahvas. Kultuur : TEA entsüklopeedia eriväljaanneArold, Ivar; Gerndorf, Kostel; Nõlvak, Jaak; Orru, Mall2017 http://www.ester.ee/record=b4648167*est

Eesti Vabariik : maa. Rahvas. Kultuur : TEA entsüklopeedia eriväljaanneArold, Ivar; Gerndorf, Kostel; Nõlvak, Jaak; Orru, Mall2013 https://www.ester.ee/record=b2932447*est

Eesti Vabariik : maa. Rahvas. Kultuur : TEA entsüklopeedia eriväljaanneArold, Ivar; Gerndorf, Kostel; Nõlvak, Jaak; Orru, Mall2014 https://www.ester.ee/record=b3059509*est

Eesti Vabariik 100 : TEA entsüklopeedia eriväljaanneAlatalu, Riin; Engelbrecht, Jüri; Gerndorf, Kostel; Hamburg, Arvi; Lumiste, Rünno; Nõlvak, Jaak; Orru, Mall2017 http://www.ester.ee/record=b4748911*est

Estonian geological sections. Bulletin 3, Valga (10) drill core. /Eesti tugiläbilõiked. Bülletään 3, Valga (10) puursüdamik/ (50 lk, trükiarv 500) : [2001. a. lõpetatud töö referaat]Põldvere, Anne; Kleesment, Anne-Liis; Nõlvak, Jaak; Männik, Peep; Hints, Olle; Meidla, Tõnu; Kiipli, Tarmo; Kallaste, Toivo; Ainsaar, LehoEesti Geoloogiakeskuse aastaraamat 20012002 / lk. 78-79 https://artiklid.elnet.ee/record=b2287178*est

Estonian geological sections. Bulletin 5. Ruhnu (500) Drill core / Eesti tugiläbilõiked. Bülletään 5. Ruhnu (500) puursüdamik/ (76 lk, 1 CD; trükiarv 500) : [2003. a. lõpetatud töö referaat]Einasto, Rein; Jõeleht, Argo; Kaljo, Dimitri; Kiipli, Tarmo; Nõlvak, JaakEesti Geoloogiakeskuse aastaraamat 20032004 / lk. 77 https://artiklid.elnet.ee/record=b2283898*est

Estonian geological sections. Bulletin 6. Mehikoorma (421) Drill core / Eesti tugiläbilõiked. Bülletään 6. Mehikoorma (421) puursüdamik/ (67 lk, 1 CD; trükiarv 500) : [2005. a. lõpetatud töö referaat]Põldvere, Anne; Hints, Linda; Kallaste, Toivo; Kiipli, Tarmo; Kleesment, Anne-Liis; Mark-Kurik, Elga; Lääts, Jaanika; Martma, Tõnu; Männik, Peep; Nõlvak, Jaak; Šogenova, Alla; Viira, ViiveEesti Geoloogiakeskuse aastaraamat 20052006 / lk. 70-71 https://artiklid.elnet.ee/record=b2252828*est

Estonian geological sections. Bulletin 9. Männamaa (F-367) drill core / Eesti geoloogilised läbilõiked. Bülletään 9. Männamaa (F-367) puursüdamik / (55 lk, 1 CD, trükiarv 500)Põldvere, Anne; Aaloe, Aasa; Ainsaar, Leho; Kallaste, Toivo; Kiipli, Tarmo; Meidla, Tõnu; Mens, Kaisa; Niin, Mati; Nõlvak, Jaak; Orlova, Kiira; Suuroja, Kalle; Šogenova, Alla; Šogenov, Kazbulat; Tinn, Oive; Uutela, Anneli; Viira, ViiveEesti Geoloogiakeskuse aastaraamat 20082009 / lk. 71-72 : ill https://www.ester.ee/record=b1223619*est

Estonian geological sections. Bulletin 10. Viki drill core / Eesti geoloogilised läbilõiked. Bülletään 10. Viki puursüdamik / (56 lk, 1 CD, trükiarv 500)Põldvere, Aivar; Kalberg, Anna-Liisa; Kallaste, Toivo; Kiipli, Tarmo; Meidla, Tõnu; Männik, Peep; Nestor, Heldur; Nestor, Viiu-Kai; Nõlvak, Jaak; Plado, Jüri; Schleifer, Norbert; Šogenova, Alla; Šogenov, Kazbulat; Tinn, Oive; Voolma, MargusEesti Geoloogiakeskuse aastaraamat 20102011 / lk. 65-66 : ill

Estonian Soviet Socialist Republic : excursions : 027 hydrogeology of the Baltic. 028 geology and mineral deposits of Lower Palaeozoic of the Eastern Baltic area. GuidebookFreimanis, A.; Hints, Linda; Kaljo, Dimitri; Kink, Hella; Nõlvak, Jaak; Pirrus, Enn-Aavo1984

Facies and sequences of the Vormsi Stage of the East BalticHarris, M.T.; Hints, Linda; Nõlvak, JaakThe Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guide2008 / p. 22

Fossilized reproductive modes reveal a protistan affinity of ChitinozoaLiang, Yan; Hints, Olle; Tang, Peng; Cai, Chenyang; Goldman, Daniel; Nõlvak, Jaak; Tihelka, Erik; Pang, Ke; Bernardo, Joseph; Wang, WenhuiGeology2020 / p. 1200-1204 https://doi.org/10.1130/G47865.1 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Geoloogilised retked Tallinnas ja selle lähiümbruses = Geological tours in Tallinn and its environsNõlvak, JaakTallinna geoloogia = Geology of Tallinn2010 / lk. 184-201 : ill https://www.ester.ee/record=b2634906*est

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

High-resolution stratigraphic correlation and biodiversity dynamics of Middle and Late Ordovician marine fossils from Baltoscandia and PolandGoldman, Daniel; Sheets, H. David; Bergström, Stig M.; Nõlvak, Jaak; Podhalanska, TeresaGeoTirol 2016 : Annual Meeting DGGV, 25-28 September 2016, Innsbruck, Austria : abstract volume2016 / p. 87 https://www.uibk.ac.at/geologie/geotirol2016-pangeo/images/abstractvolume.pdf

Hirnantian (latest Ordovician) bio- and chemostatigraphy of the Stirnas-18 core, western LatviaHints, Linda; Hints, Olle; Kaljo, Dimitri; Kiipli, Tarmo; Männik, Peep; Nõlvak, Jaak; Pärnaste, HeljeEstonian journal of earth sciences2010 / p. 1-24 : ill https://artiklid.elnet.ee/record=b2739538*est

Hotelliehitaja memuaareNõlvak, JaakGeoloogia instituudi kuuskümmend viis aastat : loomine ja muutumised, inimesed ja teadus, meenutused ja suundumused2012 / lk. 246-249 : portr

Hulterstad brachiopods and associated faunas in the Vormsi Stage (Upper Ordovician, Katian) of the Lelle core, Central EstoniaHints, Linda; Hints, Olle; Nemliher, Reet; Nõlvak, JaakEstonian journal of earth sciences2007 / 3, p. 131-142 : ill

Kivistised kui varamuNõlvak, JaakMaa ressursid : [7. geoloogia sügiskooli artiklid ja ettekanded]2011 / lk. 32-42

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

Latest Ordovician age of the Spinachitina fragilis Chitinozoan Biozone in BaltoscandiaNõlvak, Jaak; Liang, Yan; Hints, OlleEstonian journal of earth sciences2023 / p. 82-85 : ill https://doi.org/10.3176/earth.2023.51

Latest Ordovician to early Silurian integrated bio-and chemostratigraphy in northern Lithuania, central East BalticHints, Olle; Ainsaar, Leho; Lepland, Aivo; Männik, Peep; Meidla, Tõnu; Nõlvak, Jaak; Radzevičius, SigitasLille 2021 : Ordovician of the World : programme with abstracts2021 / p. 40-41 https://docplayer.net/219093593-Programme-with-abstracts-2021-virtual-annual-meeting-of-igcp-virtual-annual-meeting-of-igcp-735.html

Latest Sandbian brachiopods and chitinozoan biostratigraphy in North EstoniaHints, Linda; Nõlvak, JaakEstonian journal of earth sciences2023 / p. 42-45 : ill https://doi.org/10.3176/earth.2023.50

Loodusmälestiste väärtuste hindamisest Pakri poolsaare ja saarte näitelKink, Hella; Erg, Katrin; Miidel, Avo; Nõlvak, Jaak; Raukas, AntoKeskkonnatehnika2002 / lk. 42-44

Lower and Middle Ordovician chitinozoans from Honghuayuan, South China: Biodiversity patterns and response to environmental changesLiang, Yan; Hints, Olle; Luan, Xiaocong; Tang, Peng; Nõlvak, Jaak; Zhan, RenbinPalaeogeography, palaeoclimatology, palaeoecology2018 / p. 95-105 https://doi.org/10.1016/j.palaeo.2018.04.002 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Maailmajaod. Geograafia. Ajalugu. Kultuur : TEA entsüklopeedia eriväljaanneAmon, Maris; Nõlvak, Jaak2017 http://www.ester.ee/record=b4632072*est

Melanosclerites from the Late Ordovician to earliest Silurian of Estonia and their palaeogeographical implicationsDu, Minghao; Nõlvak, Jaak; Tan, Jingqiang; Gao, Shijia; Wang, WenhuiPalynology2022 / art. 2012538, 16 p. : ill https://doi.org/10.1080/01916122.2021.2012538 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Microfossil dynamics and biostratigraphy in the Väo Formation (Darriwilian) of NW EstoniaKilling, Mairy; Hints, Olle; Nõlvak, Jaak; Vecoli, M.; Viira, ViiveThe Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guide2008 / p. 35

Mikropaleontoloogia ja biostratigraafia rollist ning ühest tähendusrikkast leiust EestisMeidla, Tõnu; Nõlvak, Jaak; Tinn, OiveTeadusmõte Eestis (VI). Elu- ja maateadused : [artiklikogumik]2011 / lk. 97-115 : ill

More about the Ordovician-Silurian transition beds at Mirny Creek, Omulev Mountains, NE Russia: carbon isotopes and conodontsKaljo, Dimitri; Männik, Peep; Martma, Tõnu; Nõlvak, JaakEstonian journal of earth sciences2012 / p. 277-294 : ill https://artiklid.elnet.ee/record=b2552072*est

Morphological variation of chitinozoans : a case study from the Upper Ordovician Viola Springs Formation, Arbuckle Mountains, Oklahoma, USA [Online resource]Liang, Yan; Nõlvak, Jaak; Goldman, Daniel; Hints, OlleTrekking Across the GOBE : From the Cambrian through the Katian, June 3-7, 2018 : program & abstracts2018 / p. 45 https://igcp653athens2018.files.wordpress.com/2018/05/conference-programabstracts-sm1.pdf

Morphological variation suggests that chitinozoans may be fossils of individual microorganisms rather than metazoan eggsLiang, Yan; Bernardo, Joseph; Goldman, Daniel; Nõlvak, Jaak; Tang, Peng; Wang, Wenhui; Hints, OlleProceedings of the Royal Society B: Biological Sciences2019 / art. 20191270, 8 p. : ill https://doi.org/10.1098/rspb.2019.1270 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

A multiproxy study of the Puhmu core section (Estonia, Upper Ordovician) : consequences for stratigraphy and environmental interpretationKaljo, Dimitri; Hints, Linda; Martma, Tõnu; Nõlvak, JaakEstonian journal of earth sciences2017 / p. 77-92 : ill https://doi.org/10.3176/earth.2017.08

New biostratigraphically important chitinozoans from the Kukruse Regional Stage, Upper Ordovician of BaltoscandiaNõlvak, Jaak; Bauert, GarmenEstonian journal of earth sciences2015 / p. 218-224 : ill https://artiklid.elnet.ee/record=b2739527*est

On future directions of Ordovician chitinozoan researchLiang, Yan; Hints, Olle; Nõlvak, Jaak; Tang, PengEstonian journal of earth sciences2023 / p. 58-61 : ill https://doi.org/10.3176/earth.2023.34

Ordovician timescale in Estonia : recent developmentsNõlvak, Jaak; Hints, Olle; Männik, PeepProceedings of the Estonian Academy of Sciences. Geology2006 / 2, p. 95-108

Ordoviikkikausi Virossa ja Edelä-SuomessaNestor, Heldur; Soesoo, Alvar; Linna, Ari; Hints, Olle; Nõlvak, Jaak2006 https://www.ester.ee/record=b2145299*est

Ordoviitsium Eestis ja Lõuna-SoomesNestor, Heldur; Soesoo, Alvar; Linna, Ari; Hints, Olle; Nõlvak, Jaak2006 https://www.ester.ee/record=b2145298*est

Palaeoecology of floian and dapingian (Ordovician) chitinozoans in South ChinaLiang, Yan; Hints, Olle; Luan, Xiaocong; Servais, Thomas; Nõlvak, Jaak; Tang, Peng; Wu, RongchangThe Fossil Week : Abstract Book : 5th International Palaeontological Congress: IPC5 2018 : Paris, 9th-13th July, 20182018 / p. 850 https://ipc5.sciencesconf.org/data/IPC5_Abstract_Book.pdf

Palaeoenvironmental and biostratigraphical implications of selected Floian and Dapingian (Ordovician) chitinozoans of the South China PalaeoplateLiang, Yan; Hints, Olle; Servais, Thomas; Luan, Xiaocong; Nõlvak, Jaak; Tang, Peng; Wu, Rong-ChangLethaia2018 / 220-231 p. : ill https://doi.org/10.1111/let.12308 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

PaljandidNõlvak, Jaak; Hints, OlleHarjumaa : Paldiski, Pakri poolsaar ja saared2000 / lk. 15-16

Possible metazoan egg fossils from the Darriwilian (Middle Ordovician) of BaltoscandiaHints, Olle; Nõlvak, Jaak; Liang, YanEstonian journal of earth sciences2021 / p. 240-252 : ill https://doi.org/10.3176/earth.2021.16 Journal metrics at Scopus Article at Scopus

Re-explore the biological affinity of chitinozoans: Evidence from morphological variation and exceptional specimensLiang, Yan; Hints, Olle; Bernardo, Joseph; Goldman, Daniel; Nõlvak, Jaak; Tang, Peng; Wang, WenhuiZooming 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. 33 "Programme"

Revision of Ordovician chitinozoan Lagenochitina esthonica sensu lato : morphometrics, biostratigraphy and paleobiogeographyLiang, Yan; Nõlvak, Jaak; Xu, Honghe; Chen, Yansen; Hints, OlleJournal of paleontology2022 / p. 46-60 https://doi.org/10.1017/jpa.2021.79 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

TEA entsüklopeediaEerme, Kalju; Loide, Rein-Karl; Nõlvak, Jaak; Alver, Jaan; Purju, Alari; Kask, Jüri; Kõiv, Teet-Andrus; Mespak, Vello; Metsaveer, Jaan; Mõisnik, Kuulo; Raado, Lembi-Merike; Vain, Jüri2014

TEA entsüklopeediaTulviste, Peeter; Engelbrecht, Jüri; Eerme, Kalju; Loide, Rein-Karl; Nõlvak, Jaak; Christjanson, Peep; Kann, Jüri; Viikna, Anti; Alver, Jaan; Ennuste, Ülo; Gerndorf, Kostel; Abel, Mart; Vene, Varmo; Albri, Rein; Kask, Jüri; Aro, Rein; Kõiv, Teet-Andrus; Mespak, Vello; Metsaveer, Jaan; Mõisnik, Kuulo; Raado, Lembi-Merike; Reinsalu, Enno; Vares, Villu; Kaasik, Imbi2008 https://www.ester.ee/record=b2408734*est

TEA entsüklopeediaTulviste, Peeter; Engelbrecht, Jüri; Eerme, Kalju; Loide, Rein-Karl; Nõlvak, Jaak; Christjanson, Peep; Kann, Jüri; Viikna, Anti; Alver, Jaan; Gerndorf, Kostel; Abel, Mart; Vene, Varmo; Aro, Rein; Mespak, Vello; Metsaveer, Jaan; Raado, Lembi-Merike; Reinsalu, Enno; Sinivee, Veljo; Vares, Villu; Kaasik, Imbi2009 https://www.ester.ee/record=b2465036*est

TEA entsüklopeediaTulviste, Peeter; Engelbrecht, Jüri; Eerme, Kalju; Loide, Rein-Karl; Nõlvak, Jaak; Christjanson, Peep; Kann, Jüri; Viikna, Anti; Alver, Jaan; Gerndorf, Kostel; Purju, Alari; Abel, Mart; Vene, Varmo; Aarna, Olav; Kõiv, Teet-Andrus; Mespak, Vello; Metsaveer, Jaan; Mõisnik, Kuulo; Vares, Villu; Nuuma, Poigo2009 https://www.ester.ee/record=b2503851*est

TEA entsüklopeediaTulviste, Peeter; Engelbrecht, Jüri; Eerme, Kalju; Loide, Rein-Karl; Nõlvak, Jaak; Christjanson, Peep; Gerndorf, Kostel; Purju, Alari; Mespak, Vello; Metsaveer, Jaan; Mõisnik, Kuulo; Vares, Villu; Raado, Lembi-Merike; Reinsalu, Enno; Sinivee, Veljo; Kaasik, Imbi; Nuuma, Poigo2009 https://www.ester.ee/record=b2542726*est

TEA entsüklopeedia2010 https://www.ester.ee/record=b2607773*est

TEA entsüklopeedia2011 https://www.ester.ee/record=b2666688*est

TEA entsüklopeedia2011 https://www.ester.ee/record=b2712813*est

TEA entsüklopeedia2012 https://www.ester.ee/record=b2772002*est

TEA entsüklopeedia2012 https://www.ester.ee/record=b2869027*est

TEA entsüklopeedia2013 https://www.ester.ee/record=b2925120*est

The geology of the Malingen structure : a probable doublet to the Lockne marine-target impact crater, central SwedenOrmö, J.; Sturkell, Erik; Nõlvak, JaakMeteoritics & planetary science2014 / p. 313-327 : ill

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

The Guttenberg carbon isotope excursion (GICE; Ordovician) in EstoniaBauert, Heikki; Hints, Olle; Bauert, Garmen; Nõlvak, Jaak; Ainsaar, Leho; Martma, Tõnu10th Baltic Stratigraphic Conference : Checiny, 12-14 September 2017 : abstracts and field guide2017 / p. 13-14 : ill http://geo.uw.edu.pl/tl_files/publikacje/10th_Baltic_Stratigraphic_Conference_Abstracts_and_Field_Guide.pdf

The Lockne-Målingen doublet impact structure : a marine impact by a binary asteroidOrmö, J.; Sturkell, E.; Alwmark, C.; Nõlvak, Jaak; Melero-Asensio, I.; Lepinette, A.; Frisk, A.; Holm, S.; Wikström, T.31st Nordic Geological Winter Meeting : Lund, Sweden, January 8-10 20142014 / p. 165

The lower boundary of the Haljala Regional Stage (Sandbian, Upper Ordovician) in EstoniaPaiste, Tõnn; Männik, Peep; Nõlvak, Jaak; Meidla, TõnuEstonian journal of earth sciences2020 / p. 76–90 : ill https://doi.org/10.3176/earth.2020.05 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

The Pirgu Regional Stage (Upper Ordovician) in the East Baltic : lithostratigraphy, biozonation, and correlationHints, Linda; Oraspõld, Asta; Nõlvak, JaakProceedings of the Estonian Academy of Sciences. Geology2005 / 4, p. 225-259 : ill

The succession of Hirnantian events based on data from Baltica : brachiopods, chitinozoans, conodonts, and carbon isotopesKaljo, Dimitri; Hints, Linda; Männik, Peep; Nõlvak, JaakEstonian journal of earth sciences2008 / 4, p. 197-218 : ill https://artiklid.elnet.ee/record=b1076635*est

Unikaalsed fossiilid - muistse elu jäljed Tallinna aluspõhjas = Unique fossils - traces of ancient life in the bedrock of TallinnNõlvak, JaakTallinna geoloogia = Geology of Tallinn2010 / lk. 82-89 : ill https://www.ester.ee/record=b2634906*est

Upper Middle to lower Upper Ordovician chitinozoans and conodonts from the Bliudziai-150 core, southern LithuaniaStouge, Svend; Bauert, Garmen; Bauert, Heikki; Nõlvak, Jaak; Rasmussen, Jan A.Canadian journal of earth sciences2016 / p. 781-787 : ill https://doi.org/10.1139/cjes-2015-0205

Upper Sandbian-lower Katian bio- and chemostratigraphy in the Pajevonys-13 core section, LithuaniaHints, Linda; Paškevičius, Juozas; Martma, Tõnu; Männik, Peep; Nõlvak, JaakEstonian journal of earth sciences2016 / p. 85-97 : ill http://dx.doi.org/10.3176/earth.2016.08