Publications

Camina, S. C., Rubinstein, C. V., Butcher, A., Muro, V. J. G., Vergani, G., Pereira, M. 2024. A new chitinozoan assemblage from the Middle Devonian Los Monos Formation (sub-Andean basin, southern Bolivia) and its biozonal implications for Western Gondwana. PLOS ONE 19 (4), e0297233. PDF | DOI | DETAILS

Camina, S., Rubinstein, C., Butcher, A., Lovecchio, J. 2024. Middle–late Silurian and Early Devonian chitinozoans from the Chacoparaná Basin, Salta Province, Argentina. Ameghiniana 61 (2), 93-117. | DOI | DETAILS

Liang, Y., Nõlvak, J., Hints, O. 2024. Ordovician chitinozoans of the Miaopo Formation at Zhenjin, Upper Yangtze Platform, South China. Palynology 48 (2), 1-15. | DOI | DETAILS

Männik, R. 2024. Siluri ajastu Lau sündmuse mõju mikrofossiilidele Bebirva 111 puuraugus Leedus [Bakalaureusetöö. Juhendajad: O. Hints ja T. Meidla]. 1-54. PDF | DETAILS

Männik, R., Ainsaar, L., Männik, P., Meidla, T., Radzevičius, S., Hints, O. 2024. Microfossil response to the late Silurian Lau Event in the Bebirva-111 drill core, Lithuania. XI Baltic Stratigraphical Conference. Abstracts and Field Guide. Geological Society of Estonia, Tallinn. 26-26. PDF | DETAILS

Tonarová, P., Suttner, T., Hints, O., Liang, Y., Zemek, M., Kubajko, M., Zikmund, T., Kaiser, J., Kido, E. 2024. Late Ordovician scolecodonts and chitinozoans from the Pin Valley in Spiti, Himachal Pradesh, northern India. Acta Palaeontologica Polonica 69 (2), 199-215. PDF | DOI | DETAILS

Amberg, C. E., Molyneux, S. G., Zalasiewicz, J. A., Vandenbroucke, T. R. 2023. Chitinozoan biostratigraphy of the regional Arenig Series in Wales and correlation with the global Lower–Middle Ordovician series and stages. Geological Magazine 160 (3), 511-534. | DOI | DETAILS

Camina, S., Hints, O., Butcher, A. 2023. Chitinozoan nomenclature and databases. Estonian Journal of Earth Sciences 72 (1), 123-123. PDF | DOI | DETAILS

Díez-Canseco, D., Buatois, L. A., Mángano, M. G., Cuevas-gonzález, J., Benito, M. I. 2023. Unlocking the architecture of the colonization window: ichnofabrics from Upper Cretaceous tide-influenced meander-loop deposits. Palaios 38 (4), 173-187. | DOI | DETAILS

Fatka, O., Botting, J., Kovář, V., Muir, L., Špillar, V. 2023. Acritarchs and chitinozoans clusters and their palaeobiological implications. Conference: 22nd Czech - Slovak - Polish Palaeontological Conference. Ostrava. 31-32. | DETAILS

Ghavidel-Syooki, M. 2023. Biostratigraphy and palaeogeographic implications of Ordovician and Silurian chitinozoa from the High Zagros Mountains, Northern Persian Gulf, Iran. Palynology 47 (2), | DOI | DETAILS

Goldman, D., Leslie, S. A., Liang, Y., Bergström, S. M. 2023. Ordovician biostratigraphy: index fossils, biozones and correlation. A Global Synthesis of the Ordovician System: Part 1. Geological Society, London, Special Publications 532, 31-62. PDF | DOI | DETAILS

Hints, L., Nõlvak, J. 2023. Latest Sandbian brachiopods and chitinozoan biostratigraphy in North Estonia. Estonian Journal of Earth Sciences 72 (1), 42-45. PDF | DOI | DETAILS

Hints, O., Ainsaar, L., Lepland, A., Liiv, M., Männik, P., Meidla, T., Nõlvak, J., Radzevičius, S. 2023. Paired carbon isotope chemostratigraphy across the Ordovician–Silurian boundary in central East Baltic: Regional and global signatures. Palaeogeography, Palaeoclimatology, Palaeoecology 624, 1-17. | DOI | DETAILS

Liang, Y., Hints, O., Nõlvak, J., Tang, P. 2023. On future directions of Ordovician chitinozoan research. Estonian Journal of Earth Sciences 72 (1), 58-61. PDF | DOI | DETAILS

Liang, Y., Tang, P., Hints, O., Nõlvak, J., Zhang L., Chen, Y. 2023. Chitinozoan study: review and prospect. Acta Palaeontologica Sinica 62 (3), 436-450. | DOI | DETAILS

Männik, P., Nõlvak, J. 2023. Boundary between the Porkuni and Juuru regional stages in the Neitla section, Estonia. Estonian Journal of Earth Sciences 72 (1), 66-69. PDF | DOI | DETAILS

Nõlvak, J., Liang, Y., Hints, O. 2023. Latest Ordovician age of the Spinachitina fragilis Chitinozoan Biozone in Baltoscandia. Estonian Journal of Earth Sciences 72 (1), 82-85. PDF | DOI | DETAILS

Tonarová, P., Suttner, T. J., Kubajko, M., Hints, O. 2023. Late Ordovician jawed polychaete fauna from the Spiti Valley, northern India. Estonian Journal of Earth Sciences 72 (1), 160-160. PDF | DOI | DETAILS

Tonarová, P., Vodrážková, S., Hints, O., Nõlvak, J., Kubajko, M., Čáp, P. 2023. Latest Ordovician jawed polychaetes, chitinozoans and depositional environments of the Levín section, Prague Basin, Czech Republic. Geobios 81, 179-198. | DOI | DETAILS

Zhu, G., Lyu, Q., Du, M., Wang, W. 2023. Hydrodynamics as a hidden abiotic factor constraining Ordovician chitinozoan morphological evolution. Palaeogeography, Palaeoclimatology, Palaeoecology 621, 111568. | DOI | DETAILS

Bek, J., Štorch, P., Tonarová, P., Libertín, M. 2022. Early Silurian (mid-Sheinwoodian) palynomorphs from the Loděnice-Špičatý vrch, Prague Basin, Czech Republic. Bulletin of Geosciences 97 (3), 385-396. PDF | DOI | DETAILS

Kaljo, D., Märss, T., Martma, T., Nestor, V., Viira, V. 2022. A bio- and chemostratigraphic search for the Mid-Ludfordian Carbon Isotope Excursion interval in the Ludlow of the Ohesaare core, Estonia. Estonian Journal of Earth Sciences 71 (1), 44-60. PDF | DOI | DETAILS

Liang, Y., Nõlvak, J., Xu, H., Chen, Y., Hints, O. 2022. Revision of Ordovician chitinozoan Lagenochitina esthonica sensu lato: morphometrics, biostratigraphy and paleobiogeography. Journal of Paleontology 96 (1), 46-60. | DOI | DETAILS

Nõlvak, J., Liang, Y., Hints, O. 2022. Early and early Middle Ordovician chitinozoans from the Baldone drill core, central Latvia. Estonian Journal of Earth Sciences 71 (1), 25-43. PDF | DOI | DETAILS

Vodička, J., Muir, L. A., Botting, J. P., Špillar, V., Fatka, O. 2022. Palaeobiological significance of chitinozoan clusters with parallel vesicles. Marine Micropaleontology 102109. | DOI | DETAILS

Achab, A., Maletz, J. 2021. The age of the Euconochitina symmetrica Zone and implication for Lower Ordovician chitinozoan and graptolite zonations of Laurentia. Review of Palaeobotany and Palynology 295, 104508. | DOI | DETAILS

Liang, Y., Tang, P., Wang, G., Yan, G., Wang, Q. 2021. Middle–Late Ordovician chitinozoans from Songliang of Qiaojia, western South China, and their biostratigraphic implications. Palaeoworld | DOI | DETAILS

Tonarová, P., Vodrážková, S., Pavel Čáp, Hints, O., Nõlvak, J., Kubajko, M. 2021. Discovery of rich Katian-Hirnantian jawed polychaete fauna from the Prague Basin, Czech Republic. Lille 2021: Ordovician of the World. Programme with abstracts. Lille University, Lille. Journal de l’Association Paléontologique Française Numéro Spé, 75-76. PDF | DETAILS

Wang, W., Gao, S., Servais, T., Singh, B. P., Myrow, P. 2021. Preliminary palynological study of the Upper Ordovician Pin Formation in northern Indian Himalaya. Palynology 45 (2), 301-319. | DOI | DETAILS

Wang, W., Liang, Y., Lyu, Q., Hints, O., Chen, S., Nõlvak, J. 2021. Chitinozoans with “skirt”: Ultrastructure and palaeoecological implications of carina in Cyathochitina Eisenack, 1955. Palaeogeography, Palaeoclimatology, Palaeoecology 570, 110348. | DOI | DETAILS

de la Puente, G., Paris, F., Vaccari, N. E. 2020. Latest Ordovician-earliest Silurian chitinozoans from the Puna region, north-western Argentina (Western Gondwana). Bulletin of Geosciences 95 (4), 391-418. PDF | DOI | DETAILS

Liang, Y., Hints, O., Bernardo, J., Goldman, D., Nõlvak, J., Tang, P., Wang, W. 2020. Re-explore the biological affinity of chitinozoans: Evidence from morphological variation and exceptional specimens. Zooming in on the GOBE. 2020 Virtual Annual Meeting of IGCP 653. Geological Survey of Denmark and Greenland, Copenhagen. Danmarks og Grønlands Geologiske Undersøgelse. Rapport 2020/21, 33. PDF | DETAILS

Liang, Y., Hints, O., Tang, P., Cai, C., Goldman, D., Nõlvak, J., Tihelka, E., Pang, K., Bernardo, J., Wang, W. 2020. Fossilized reproductive modes reveal a protistan affinity of Chitinozoa. Geology 48 (12), 1200-1204. PDF | DOI | DETAILS

Liang, Y., Wang, G., Servais, T., Wu, R., Nõlvak, J., Hints, O., Wei, X., Gong, F., Yan, G. 2020. Age constraints of the Hungshihyen Formation (Early to Middle Ordovician) on the western margin of the Yangtze Platform, South China: New insights from chitinozoans. Palaeoworld 29 (1), 66-74. | DOI | DETAILS

Paiste, T., Männik, P., Nõlvak, J., Meidla, T. 2020. The lower boundary of the Haljala Regional Stage (Sandbian, Upper Ordovician) in Estonia. Estonian Journal of Earth Sciences 69 (2), 76-90. PDF | DOI | DETAILS

Askew, A. J., Russell, E. 2019. A new Middle Devonian chitinozoan assemblage from northern Iberia. Review of Palaeobotany and Palynology 268, 72-87. PDF | DOI | DETAILS

De Weirdt, J., Vandenbroucke, T. R. A., Cocq, J., Russell, C., Davies, J. R., Melchin, M., Zalasiewicz, J. 2019. Chitinozoan biostratigraphy of the Rheidol Gorge Section, Central Wales, UK: a GSSP replacement candidate for the Rhuddanian–Aeronian boundary. Papers in Palaeontology 6 (2), 173-192. | DOI | DETAILS

Degraeuwe, W. 2019. A chitinozoan analysis of core IGS-527 to help refine the Upper Ordovician – Lower Silurian biostratigraphy of the USA Midcontinent [MSc Thesis]. Ghent University. 1-101. PDF | DETAILS

Liang, Y., Bernardo, J., Goldman, D., Nõlvak, J., Tang, P., Wang, W., Hints, O. 2019. Morphological variation suggests that chitinozoans may be fossils of individual microorganisms rather than metazoan eggs. Proceedings of the Royal Society 286 (1908), 1-8. PDF | DOI | DETAILS

Liang, Y., Hints, O., Servais, T., Luan, X.-C., Nõlvak, J., Tang, P., Wu, R.-C. 2019. Palaeoenvironmental and biostratigraphical implications of selected Floian and Dapingian (Ordovician) chitinozoans of the South China Palaeoplate. Wiley. Lethaia 52 (2), 220-231. | DOI | DETAILS

Liang, Y., Nõlvak, J., Hints, O. 2019. Early diversification of chitinozoans on Baltica: new data from northern Estonia and Latvia. 13th International Symposium on the Ordovician System: Contributions of International Symposium. Novosibirsk, Russia (July 19-22, 2019). Publishing House of SB RAS, Novosibirsk. 119-120. PDF | DETAILS

Nõlvak, J., Liang, Y., Hints, O. 2019. Early diversification of Ordovician chitinozoans on Baltica: New data from the Jägala waterfall section, northern Estonia. Palaeogeography, Palaeoclimatology, Palaeoecology 525, 14-24. | DOI | DETAILS

Oktay, B., Wellman, C. H. 2019. Palynological analysis of Upper Ordovician to Lower Silurian sediments from the Diyarbakir Basin, southeastern Turkey. Review of Palaeobotany and Palynology 263, 28-46. | DOI | DETAILS

Tonarová, P., Vodrážková, S., Hints, O., Männik, P., Kubajko, M., Frýda, J. 2019. Llandovery microfossils and microfacies of the Hýskov section, Prague Basin. Fossil Imprint 75 (1), 25-43. PDF | DOI | DETAILS

Vandenbroucke, T. R. A., Hints, O., Williams, M., Wallis, S., Velleman, J., Kurihara, T., Tanaka, G., Komatsu, T., Männik, P., Siveter, D S., de Backer, T. 2019. Chitinozoans and scolecodonts from the Silurian and Devonian of Japan. Wiley. Island Arc 28 (3), 1-13. | DOI | DETAILS

Vodička, J., Manda, Š. 2019. A taxonomical and statistical study of chitinozoan distribution across the lundgreni Event (Wenlock, Silurian) from the Prague Basin, Czech Republic: A specific pattern driven by ecological changes. Marine Micropaleontology 149, 44-63. | DOI | DETAILS

Hints, O., Antonovitš, L., Bauert, G., Nestor, V., Nõlvak, J., Tammekänd, M. 2018. CHITDB: a database for documenting and analysing diversification of Ordovician-Silurian chitinozoans in the Baltic region. Lethaia 51 (2), 218-227. | DOI | DETAILS

Hints, O., Antonovitš, L., Nõlvak, J., Liang, Y. 2018. Assessing the quality of Baltoscandian chitinozoan biozones using quantitative stratigraphy. Trekking Across the GOBE - From the Cambrian through the Katian. International Geoscience Programme Project 653 Third Annual Meeting, June 3-7, 2018. Program & Abstracts. Ohio University, Athens, Ohio. 39. PDF | DETAILS

Liang, Y., Hints, O., Luan, X., Servais, T., Nõlvak, J., Tang, P., Wu, R. 2018. Palaeoecology of Floian and Dapingian (Ordovician) chitinozoans in South China. 5th International Palaeontological Congress. Abstract Book. July 9-13, 2018. Paris. 850-850. | DETAILS

Liang, Y., Hints, O., Luan, X., Tang, P., Nõlvak, J., Zhan, R. 2018. Lower and Middle Ordovician chitinozoans from Honghuayuan, South China: Biodiversity patterns and response to environmental changes. Elsevier BV. Palaeogeography, Palaeoclimatology, Palaeoecology 500, 95-105. | DOI | DETAILS

Liang, Y., Nõlvak, J., Goldman, D., Hints, O. 2018. Morphological variation of chitinozoans: a case study from the Upper Ordovician Viola Springs Formation, Arbuckle Mountains, Oklahoma, USA. Trekking Across the GOBE - From the Cambrian through the Katian. International Geoscience Programme Project 653 Third Annual Meeting, June 3-7, 2018. Program & Abstracts. Ohio University, Athens, Ohio. 45. PDF | DETAILS

Amberg, C. E. A., Vandenbroucke, T. R. A., Nielsen, A. T., Munnecke, A., McLaughlin, P. I. 2017. Chitinozoan biostratigraphy and carbon isotope stratigraphy from the Upper Ordovician Skogerholmen Formation in the Oslo Region. A new perspective for the Hirnantian lower boundary in Baltica. Elsevier BV. Review of Palaeobotany and Palynology. Review of Palaeobotany and Palynology 246, 109-119. | DOI | DETAILS

Hints, O., Bauert, G., Grigorjeva, I., Nõlvak, J., Meidla, T., Perrier, V. 2017. Chitinozoan response to a gigantic Late Ordovician volcanic ash fall recorded in northern Estonia. 10th Baltic Stratigraphic Conference. Checiny 12-14 September 2017. Abstracts and Field Guide. University of Warsaw, Warszawa. 34-35. PDF | DETAILS

Kaljo, D., Hints, L., Martma, T., Nõlvak, J. 2017. A multiproxy study of the Puhmu core section (Estonia, Upper Ordovician): consequences for stratigraphy and environmental interpretation. Estonian Journal of Earth Sciences 66 (2), 77-92. PDF | DOI | DETAILS

Liang, Y., Servais, T., Tang, P., Liu, J., Wang, W. 2017. Tremadocian (Early Ordovician) chitinozoan biostratigraphy of South China: An update. Review of Palaeobotany and Palynology 247, 149-163. | DOI | DETAILS

Amberg, C. E. A., Collart, T., Salenbien, W., Egger, L. M., Munnecke, A., Nielsen, A. T., Monnet, C., Hammer, Ø., Vandenbroucke, T. R. A. 2016. The nature of Ordovician limestone-marl alternations in the Oslo-Asker District (Norway): witnesses of primary glacio-eustasy or diagenetic rhythms?. Scientific Reports 6 (18787), 1-13. PDF | DOI | DETAILS

Antonovitš, L., Nestor, V., Nõlvak, J., Hints, O., Martma, T., Kiipli, T. 2016. Baltic Ordovician and Silurian chitinozoans: a quantitative stratigraphic synthesis. IGCP 591: The Early to Middle Paleozoic Revolution. Closing Meeting Abstracts. Univeristy of Ghent, Ghent. 22-22. | DETAILS

Goldman, D., Sheets, H. D., Bergström, S. M., Nõlvak, J., Podhalańska, T. 2016. High-resolution stratigraphic correlation and biodiversity dynamics of Middle and Late Ordovician marine fossils from Baltoscandia and Poland. Abstract Volume of GeoTirol2016 - Annual Meeting of DGGV and PANGEO Austria, 25-28. September 2016, Innsbruck. Institute of Geology University of Innsbruck, Innsbruck. 87-87. | DETAILS

Hints, L., Paškevičius, J., Martma, T., Männik, P., Nõlvak, J. 2016. Upper Sandbian–lower Katian bio- and chemostratigraphy in the Pajevonys-13 core section, Lithuania. Estonian Journal of Earth Sciences 65 (2), 85-97. PDF | DOI | DETAILS

Hints, O., Antonovitš, L., Nestor, V., Nõlvak, J. 2016. An example of regional geological database and its application for analysing diversity patterns of Ordovician and Silurian chitinozoans of Baltoscandia. Ordovician by the Lakes. International Geoscience Programme Project 653 - Opening Meeting (19−20). Durham University, Durham. 19-20. | DETAILS

Schröer, L., Vandenbroucke, T. R., Hints, O., Steeman, T., Verniers, J., Brett, C. E., Cramer, B. D., McLaughlin, P. I. 2016. A Late Ordovician age for the Whirlpool and Power Glen formations, New York. Canadian Journal of Earth Sciences. Canadian Journal of Earth Sciences 53 (7), 739-747. | DOI | DETAILS

Stouge, S., Bauert, G., Bauert, H., Nõlvak, J., Rasmussen, J. A. 2016. Upper Middle to lower Upper Ordovician chitinozoans and conodonts from the Bliudziai-150 core, southern Lithuania. Canadian Journal of Earth Sciences 53 (8), 781-787. | DOI | DETAILS

Antonovitš, L., Nestor, V., Nõlvak, J., Bauert, G., Hints, O., Kiipli, T. 2015. A CONOP9 quantitative stratigraphic model of Baltic Ordovician and Silurian chitinozoan distribution and K-bentonites. The Ordovician Exposed: Short Papers and Abstracts for the 12th International Symposium on the Ordovician System. Online Supplement. Stratigraphy 12 (2), 91-92. PDF | DETAILS

Bauert, H., Bauert, G., Nõlvak, J., Kiipli, T. 2015. Correlation of Upper Ordovician K-bentonites in the East Baltic - a combined approach of chitinozoan biostratigraphy and sanidine geochemistry. 12th International Symposium on the Ordovician System. Online Supplement. Stratigraphy 12 (2), 93-93. PDF | DETAILS

Goldman, D., Nõlvak, J., Maletz, J. 2015. Middle to Late Ordovician graptolite and chitinozoan biostratigraphy of the Kandava-25 drill core in western Latvia. GFF 137 (3), 197-211. | DOI | DETAILS

Hints, O., Antonovitš, L., Bauert, G., Bauert, H., Nestor, V., Nõlvak, J. 2015. A database of Ordovician and Silurian chitinozoans of Baltoscandia: on-line search tools and basis for quantitative stratigraphic analysis. 5th International Symposium on the Silurian System and the 5th Annual Meeting of the IGCP 591 - The Lower to Middle Paleozoic Revolution, Quebec City, July 8-11, 2015 Abstracts. INRS, Quebec. 17-18. | DETAILS

Kaljo, D., Einasto, R., Martma, T., Märss, T., Nestor, V., Viira, V. 2015. A bio-chemostratigraphical test of the synchroneity of biozones in the upper Silurian of Estonia and Latvia with some implications for practical stratigraphy. Estonian Journal of Earth Sciences 64 (4), 267-283. PDF | DOI | DETAILS

Männik, P., Loydell, D. K., Nestor, V., Nõlvak, J. 2015. Integrated Upper Ordovician–lower Silurian biostratigraphy of the Grötlingbo-1 core section, Sweden. GFF 137 (3), 226-244. | DOI | DETAILS

Nõlvak, J., Bauert, G. 2015. New biostratigraphically important chitinozoans from the Kukruse Regional Stage, Upper Ordovician of Baltoscandia. Estonian Journal of Earth Sciences 64 (3), 218-224. PDF | DOI | DETAILS

Stouge, S., Bauert, G., Bauert, H., Nõlvak, J. Rasmussen, J. A. 2015. Upper Middle to lower Upper Ordovician chitinozoan and conodont biostratigraphy from the Bliudziai-150 drillcore, southern Lithuania. 5th International Symposium on the Silurian System and the 5th Annual Meeting of the IGCP 591 - The Lower to Middle Paleozoic Revolution, Quebec City, July 8-11, 2015, Abstracts. Institut national de la recherche scientifique. Quebec City, Canada. 45-46. | DETAILS

Vandenbroucke, T. R. A., Emsbo, P., Munnecke, A., Nuns, N., Duponchel, L., Lepot, K., Quijada, M., Paris, F., Servais, T., Kiessling, W. 2015. Metal-induced malformations in early Palaeozoic plankton are harbingers of mass extinction. Nature Communications 6 (1), 7966. PDF | DOI | DETAILS

Bauert, G., Nõlvak, J., Bauert, H. 2014. Chitinozoan biostratigraphy in the Haljala Regional Stage, Upper Ordovician: a high-resolution approach from NE Estonia. GFF 136 (1), 26-29. | DOI | DETAILS

Hints, O., Martma, T., Männik, P., Nõlvak, J., Põldvere, A., Shen, Y., Viira, V. 2014. New data on Ordovician stable isotope record and conodont biostratigraphy from the Viki reference drill core, Saaremaa Island, western Estonia. GFF 136 (1), 100-104. | DOI | DETAILS

Männik, P., Põldvere, A., Nestor, V., Kallaste, T., Kiipli, T., Martma, T. 2014. The Llandovery–Wenlock boundary interval in west-central continental Estonia: an example from the Suigu (S-3) core section. Estonian Journal of Earth Sciences 63 (1), 1-17. PDF | DOI | DETAILS

Ormö, J., Sturkell, E., Nõlvak, J., Melero-Asensio, I., Frisk, Ǻ. M., Wikström, T. 2014. The geology of the Målingen structure: A probable doublet to the Lockne marine-target impact crater, central Sweden. Meteoritics & Planetary Science 49 (3), 313-327. | DOI | DETAILS

Paluveer, L., Nestor, V., Hints, O. 2014. Chitinozoan diversity in the East Baltic Silurian: first results of a quantitative stratigraphic approach with CONOP. GFF 136 (1), 198-202. | DOI | DETAILS

Achab, A., Asselin, E., Desrochers, A., Riva, J. F. 2013. The end-Ordovician chitinozoan zones of Anticosti Island, Québec: Definition and stratigraphic position. Review of Palaeobotany and Palynology 198, 92-109. | DOI | DETAILS

Butcher, A. 2013. Chitinozoans from the middle Rhuddanian (lower Llandovery, Silurian) ‘hot’ shale in the E1-NC174 core, Murzuq Basin, SW Libya. Review of Palaeobotany and Palynology 198, 62-91. | DOI | DETAILS

de la Puente, G. S., Rubinstein, C. V. 2013. Ordovician chitinozoans and marine phytoplankton of the Central Andean Basin, northwestern Argentina: A biostratigraphic and paleobiogeographic approach. Review of Palaeobotany and Palynology 198, 14-26. | DOI | DETAILS

LeHerisse, A., Paris, F., Steemans, P. 2013. Late Ordovician-earliest Silurian palynomorphs from northern Chad and correlation with contemporaneous deposits of southeastern Libya. Bulletin of Geosciences 483-504. PDF | DOI | DETAILS

Pouille, L., Delabroye, A., Vandenbroucke, T. R. A., Calner, M., Lehnert, O., Vecoli, M., Danelian, T. 2013. Chitinozoan biostratigraphy across the Katian (Late Ordovician) GICE event in the Borenshult-1 drillcore (Sweden). Review of Palaeobotany and Palynology 198, 134-144. | DOI | DETAILS

Servais, T., Achab, A., Asselin, E. 2013. Eighty years of chitinozoan research: From Alfred Eisenack to Florentin Paris. Review of Palaeobotany and Palynology 197, 205-217. | DOI | DETAILS

Shen, C., Aldridge, R. J., Williams, M., Vandenbroucke, T. R. A., Zhang, X. 2013. Earliest chitinozoans discovered in the Cambrian Duyun fauna of China. Geology 41 (2), 191-194. | DOI | DETAILS

Thusu, B., Rasul, S., Paris, F., Meinhold, G., Howard, J. P., Abutarruma, Y., Whitham, A. G. 2013. Latest Ordovician–earliest Silurian acritarchs and chitinozoans from subsurface samples in Jebel Asba, Kufra Basin, SE Libya. Review of Palaeobotany and Palynology 197, 90-118. | DOI | DETAILS

Vandenbroucke, T. R. A., Recourt, P., Nõlvak, J., Nielsen, A. T. 2013. Chitinozoan biostratigraphy of the Upper Ordovician D. clingani and P. linearis graptolite biozones on the Island of Bornholm, Denmark. Stratigraphy 10 (4), 281-301. | DETAILS

Wang, W., Feng, H., Vandenbroucke, T. R., Li, L., Verniers, J. 2013. Chitinozoans from the Tremadocian graptolite shales of the Jiangnan Slope in South China. Review of Palaeobotany and Palynology 198, 45-61. | DOI | DETAILS

Hints, O., Viira, V., Nõlvak, J. 2012. Darriwilian (Middle Ordovician) conodont biostratigraphy in NW Estonia. Estonian Journal of Earth Sciences 61 (4), 210-226. PDF | DOI | DETAILS

Nestor, V. 2012. A summary and revision of the East Baltic Silurian chitinozoan biozonation. Estonian Journal of Earth Sciences 61 (4), 242-260. PDF | DOI | DETAILS

Nõlvak, J. 2012. A new chitinozoan species from the Middle Ordovician of Estonia. Estonian Journal of Earth Sciences 61 (2), 131-132. PDF | DOI | DETAILS

Oxman, M. J., Goldman, D., Nõlvak, J., Wu, S-Y., Sheets, D. H. 2012. Ordovician chitinozoan biogeography and paleoecology: examining the effect of habitat on species longevity. GSA Annual Meeting. 4-7 November 2012, Charlotte, North Carolina, USA. GSA Abstracts with Programs, 44. Charlotte, North Carolina, USA. | DETAILS

Achab, A., Asselin, E., Desrochers, A., Riva, J. F., Farley, C. 2011. Chitinozoan biostratigraphy of a new Upper Ordovician stratigraphic framework for Anticosti Island, Canada. Geological Society of America Bulletin 123 (1-2), 186-205. | DOI | DETAILS

Delabroye, A., Vecoli, M., Hints, O., Servais, T. 2011. Acritarchs from the Ordovician–Silurian boundary beds of the Valga-10 drill core, southern Estonia (Baltica) and their stratigraphical and palaeobiogeographical implications. Palynology 35 (1), 4-45. | DOI | DETAILS

Hints, O., Nõlvak, J., Paluveer, L., Tammekänd, M. 2011. Conventional and CONOP9 approaches to biodiversity of Baltic Ordovician chitinozoans. Ordovician of the World. Instituto Geologico y Minero de Espana, Madrid. Cuadernos del Museo GeoMinero 14, 243-249. PDF | DETAILS

Kiipli, T., Einasto, R., Kallaste, T., Nestor, V., Perens, H., Siir, S. 2011. Geochemistry and correlation of volcanic ash beds from the Rootsiküla Stage (Wenlock-Ludlow) in the eastern Baltic. Estonian Journal of Earth Sciences 60 (4), 207-219. PDF | DOI | DETAILS

Nestor, V. 2011. Chitinozoan biostratigraphy of the Přidoli Series of the East Baltic. Estonian Journal of Earth Sciences 60 (4), 191-206. PDF | DOI | DETAILS

Sinha, H., Vandenbroucke, T. R., Verniers, J. 2011. First Ordovician chitinozoans from Indian Gondwana — New evidence from the Shiala Formation. Review of Palaeobotany and Palynology 167 (1-2), 117-122. | DOI | DETAILS

Grahn, Y., Nõlvak, J. 2010. Swedish Ordovician Chitinozoa and biostratigraphy: a review and new data. Abteilung B: Palaeobotany - Palaeophytology. Palaeontographica 283 (1-3), 5-71. | DOI | DETAILS

Hints, L., Hints, O., Kaljo, D., Kiipli, T., Männik, P., Nõlvak, J., Pärnaste, H. 2010. Hirnantian (latest Ordovician) bio- and chemostratigraphy of the Stirnas-18 core, western Latvia. Estonian Journal of Earth Sciences 59 (1), 1-24. PDF | DOI | DETAILS

Hints, O., Delabroye, A., Nõlvak, J., Servais, T., Uutela, A., Wallin, Å. 2010. Biodiversity patterns of Ordovician marine microphytoplankton from Baltica: Comparison with other fossil groups and sea-level changes. Special Issue. Early Palaeozoic palaeoenvironments. Palaeogeography, Palaeoclimatology, Palaeoecology 294 (3-4), 161-173. | DOI | DETAILS

Kiipli, T., Kallaste, T., Nestor, V. 2010. Composition and correlation of volcanic ash beds of Silurian age from the eastern Baltic. Geological Magazine 147 (6), 895-909. | DOI | DETAILS

Kiipli, T., Kallaste, T., Nestor, V., Loydell, D. K. 2010. Integrated Telychian (Silurian) K-bentonite chemostratigraphy and biostratigraphy in Estonia and Latvia. Lethaia 43 (1), 32-44. | DOI | DETAILS

Loydell, D. K., Nestor, V., Männik, P. 2010. Integrated biostratigraphy of the lower Silurian of the Kolka-54 core, Latvia. Geological Magazine 147 (2), 253-280. | DOI | DETAILS

Nestor, V. 2010. Distribution of Silurian chitinozoans. Viki Drill Core. Estonian Geological Sections Bulletin 10, 19-20. | DETAILS

Nõlvak, J. 2010. Distribution of Ordovician chitinozoans. Viki Drill Core. Estonian Geological Sections Bulletin 10, 17-18. | DETAILS

Tammekänd, M., Hints, O., Nõlvak, J. 2010. Chitinozoan dynamics and biostratigraphy in the Väo Formation (Darriwilian) of the Uuga Cliff, Pakri Peninsula, NW Estonia. Estonian Journal of Earth Sciences 59 (1), 25-36. PDF | DOI | DETAILS

Vandenbroucke, T. R. A, Armstrong, H. A., Williams, M., Paris, F., Sabbe, K., Zalasiewicz, J., Nõlvak, J., Verniers, J. 2010. Epipelagic chitinozoan biotopes map a steep latitudinal temperature gradient for earliest Late Ordovician seas: Implications for a cooling Late Ordovician climate. Palaeogeography, Palaeoclimatology, Palaeoecology 294 (3-4), 202-219. | DOI | DETAILS

Vandenbroucke, T. R. A., Armstrong, H. A., Williams, M., Paris, F., Zalasiewicz, J., Sabbe, K., Nõlvak, J., Challands, T. J. 2010. Chitinozoan biotopes, climate belt contraction and polar front shift towards the Hirnantian (440 Ma) glaciation. 3rd IPC, June 28- July 3, 2010. Programme & Abstracts. London. 390. | DETAILS

Butcher, A. 2009. Early Llandovery chitinozoans from Jordan. Palaeontology 52 (3), 593-629. | DOI | DETAILS

Nestor, V. 2009. Biostratigraphy of the Ludlow chitinozoans from East Baltic drill cores. Estonian Journal of Earth Sciences 58 (3), 170-184. PDF | DOI | DETAILS

Nestor, V. 2009. Chitinozoan diversity in the East Baltic Silurian. Estonian Journal of Earth Sciences 58 (4), 311-316. PDF | DOI | DETAILS

Vandenbroucke, T. R. A., Armstrong, H., Williams, M., Paris, F., Sabbe, K., Zalasiewicz, J. A., Nõlvak, J., Verniers, J. 2009. Epipelagic chitinozoan & graptolite biotopes map a steep latitudinal temperature gradient for earliest Late Ordovician seas: implications for a cooling Late Ordovician climate. Geologica Belgica Congress, 14-15 Sept. 2009. Ghent. 52-53. | DETAILS

Vandenbroucke, T. R. A., Gabbott, S. E., Paris, F., Aldridge, R. J., Theron, J. N. 2009. Chitinozoans and the age of the Soom Shale, an Ordovician black shale Lagerstätte, South Africa. Journal of Micropalaeontology 28 (1), 53-66. | DOI | DETAILS

Vandenbroucke, T. R. A., Williams, M., Armstrong, H. A., Sabbe, K., Paris, F., Zalasiewicz, J. A., Nõlvak, J., Verniers, J. 2009. Epipelagic chitinozoan and graptolite biotopes map a steep latitutdinal temperature gradient for earliest Late Ordovician seas: implications for a cooling Late Ordovician climate. Absolutely final meeting of IGCP 503: Ordovician palaeogeography and palaeoclimate, Copenhagen 2009. Abstracts. Natural History Museum of Denmark, Copenhagen. 19-20. | DETAILS

Delabroye, A., Nõlvak, J., Vecoli, M., Hints, O. 2008. New latest Hirnantian acritarch and chitinozoan assemblages of Baltica (topmost Porkuni Stage, Valga-10 drill core, southern Estonia): biostratigraphical interest. 12th International Palynological Congress and 8th International Organisation of Palaeobotany Conference. Aug. 30- Sept. 5, 2008. Terra Nostra 2, 60-60. | DETAILS

Goldman, D., Sheets, D. H., Nõlvak, J., Izard, Z., Lanz, C. 2008. Microfossil faunal diversity dynamics from the Middle and Upper Ordovician of rocks Baltoscandia. The Geological Society of America, Abstracts with Programs, 40. 42nd Annual Meeting (24-25 April 2008). Evansville, Indiana, USA. | DETAILS

Kaljo, D., Hints, L., Männik, P., Nõlvak, J. 2008. The succession of Hirnantian events based on data from Baltica: brachiopods, chitinozoans, conodonts, and carbon isotopes. Estonian Journal of Earth Sciences 57 (4), 197-218. PDF | DOI | DETAILS

Kaljo, D., Hints, L., Männik, P., Nõlvak, J. 2008. Succession of Hirnantian events based on data from Baltica: Brachiopods, Chitinozoans, Conodonts and Carbon isotopes. Palaeozoic Climates. International Congress – Congrès international August 22-31, 2008, Lille, Franc. Lille. 48-48. | DETAILS

Killing, M., Hints, O., Nõlvak, J., Vecoli, M., Viira, V. 2008. Microfossil dynamics and biostratigraphy in the Väo Formation (Darriwilian) of NW Estonia. The Seventh Baltic Stratigraphical Conference, 15-22 May 2008, Estonia. Abstracts. Geological Society of Estonia, Tallinn. 35-35. | DETAILS

Nõlvak, J. 2008. Distribution of Ordovician chitinozoans. Männamaa (F-367) drill core. Geological Survey of Estonia, Tallinn. Estonian Geological Sections Bulletin 9, 13-18. | DETAILS

Vandenbroucke, T. R. A, Armstrong, H. A., Williams, M., Wood, B., Zalasiewicz, J. A., Nõlvak, J., Sabbe, K., Paris, F., Verniers, J. 2008. Ground truthing Ordovician climate models using spatial analyses of chitinozoans and graptolites. TERRA NOSTRA 2008/2. 12th International Palynological Congress and 8th International Organisation of Palaeobotany Conference. Aug. 30 - Sept. 5, 2008. Abstract Volume. Bonn. 2, 294-294. | DETAILS

Vandenbroucke, T. R. A. 2008. Upper Ordovician Chitinozoans from the British Historical Type Areas and Adjacent Key Sections. Palaeontological Society Monograph 628. Monographs of the Palaeontographical Society 161 (628), 1-113. | DOI | DETAILS

Vandenbroucke, T. R. A., Hennissen, J., Zalasiewicz, J. A., Verniers, J. 2008. New chitinozoans from the historical type area of the Hirnantian Stage and additional key sections in the Wye Valley, Wales, UK. Geological Journal 43 (4), 397-414. | DOI | DETAILS

Vandenbroucke,T. R. A., Armstrong, H. A., Williams, M., Wood, B., Zalasiewicz, J. A., Nõlvak, J., Sabbe, K., Paris, F., Verniers, J. 2008. Ground truthing Ordovician climate models using spatial analyses of chitinozoans and graptolites. Palaeozoic Climates. International Congress – Congrès international August 22-31, 2008, Lille, Franc. Lille. 95. | DETAILS

Grahn, Y., Nõlvak, J. 2007. Remarks on older Ordovician Chitinozoa and biostratigraphy of the Oslo Region, southern Norway. GFF 129 (2), 101-106. | DOI | DETAILS

Grahn, Y., Nõlvak, J. 2007. Ordovician Chitinozoa and biostratigraphy from Skåne and Bornholm, southernmost Scandinavia - an overview and update. Bulletin of Geosciences 82 (1), 11-26. PDF | DOI | DETAILS

Hints, L., Hints, O., Nemliher, R., Nõlvak, J. 2007. Hulterstad brachiopods and associated faunas in the Vormsi Stage (Upper Ordovician, Katian) of the Lelle core, Central Estonia. Estonian Journal of Earth Sciences 56 (3), 131-142. PDF | DETAILS

Hints, O., Nõlvak, J., Viira, V. 2007. Age of Estonian kukersite oil shale - Middle or Late Ordovician?. Oil Shale 24 (4), 527-533. PDF | DETAILS

Jacob, J., Paris, F., Monod, O., Miller, M. A., Tang, P., George, S. C., Bény, J. 2007. New insights into the chemical composition of chitinozoans. Organic Geochemistry 38 (10), 1782-1788. | DOI | DETAILS

Nestor, V. 2007. Chitinozoans in the Wenlock-Ludlow boundary beds of the East Baltic. Estonian Journal of Earth Sciences 56 (2), 109-128. PDF | DETAILS

Nõlvak, J. 2007. A new chitinozoan species from the Upper Ordovician of the East Baltic. Estonian Journal of Earth Sciences 56 (1), 63-64. PDF | DETAILS

Rubel, M., Hints, O., Männik, P., Meidla, T., Nestor, V., Sarv, L., Sibul, I. 2007. Lower Silurian biostratigraphy of the Viirelaid core, western Estonia. Estonian Journal of Earth Sciences 56 (4), 193-204. PDF | DOI | DETAILS

Hints, O., Killing, M., Männik, P., Nestor, V. 2006. Frequency patterns of chitinozoans, scolecodonts, and conodonts in the upper Llandovery and lower Wenlock of the Paatsalu core, western Estonia. Proceedings of the Estonian Academy of Sciences. Geology 55 (2), 128-155. PDF | DOI | DETAILS

Hints, O., Nõlvak, J. 2006. Early Ordovician scolecodonts and chitinozoans from Tallinn, North Estonia. Review of Palaeobotany and Palynology 139 (1-4), 189-209. | DOI | DETAILS

Killing, M., Hints, O., Männik, P., Nestor, V. 2006. Microfossil dynamics in the upper Llandovery and lower Wenlock of Estonia. Palaeozoic palynology in space and time. CIMP General Meeting, Sept. 2-6, 2006; Prague, Czech Republic. Institute of Geology, Czech Academy of Science, Prague. 31-32. | DETAILS

Nõlvak, J., Bauert, G. 2006. Distribution of Ordovician chitinozoans. Kerguta (565) drill core. Geological Survey of Estonia, Tallinn. Estonian Geological Sections Bulletin 7, 9-11. | DETAILS

Rubel, M., Nestor, V., Harris, M. T., Sheenan, P. M., Ainsaar, L., Männik, P., Nõlvak, J. 2006. A new high-resolution chitinozoan composite standard for the East Baltic Lower Silurian succession on numerical analysis. Geological Quarterly 50 (3), 323-332. PDF | DETAILS

Verniers, J., Vandenbroucke, T. R. 2006. Chitinozoan biostratigraphy in the Dob's Linn Ordovician-Silurian GSSP, Southern Uplands, Scotland. 128 (2), 195-202. | DOI | DETAILS

Hints, O., Killing, M., Männik, P., Nestor, V. 2005. Frequency patterns of chitinozoans and scolecodonts across the Llandovery-Wenlock boundary interval in the Paatsalu drill core, western Estonia. The Sixth Baltic Stratigraphical Conference, August 23-25, St. Petersburg, Russia: Abstracts. VSEGEI, St. Petersburg State University, St. Petersburg. 37-40. PDF | DETAILS

Hints, O., Nõlvak, J., Viira, V. 2005. Microfossil dynamics and biostratigraphy in the Uhaku-Kukruse boundary interval (Ordovician) of NE Estonia. The Sixth Baltic Stratigraphical Conference, August 23-25, St. Petersburg, Russia: Abstracts. VSEGEI, St. Petersburg State University, St. Petersburg. 40-42. | DETAILS

Loydell, D. K., Nestor, V. 2005. Integrated graptolite and chitinozoan biostratigraphy of the upper Telychian (Llandovery, Silurian) of the Ventspils D-3 core, Latvia. Geological Magazine 142 (4), 369-376. | DOI | DETAILS

Nestor, V. 2005. Chitinozoans of the Margachitina margaritana Biozone and the Llandovery-Wenlock boundary in West Estonian drill cores. Proceedings of the Estonian Academy of Sciences. Geology 54 (2), 87-111. PDF | DOI | DETAILS

Nõlvak, J. 2005. Distribution of Ordovician chitinozoans. Mehikoorma (421) Drill Core. Geological Survey of Estonia, Tallinn. Estonian Geological Sections Bulletin 6, 20-22. | DETAILS

Vandenbroucke, T. R. A., Rickards, R. B., Verniers, J. 2005. Upper Ordovician chitinozoan biostratigraphy from the Type Ashgill Area (Cautley district) and the Pus Gill section (Dufton district, Cross Fell Inlier), Cumbria, Northern England. Geological Magazine 142 (6), 783-807. | DOI | DETAILS

Achab, A., Paris, F., Nõlvak, J., Asselin, E. 2004. Patterns in Ordovician chitinozoan biodiversity. Abstracts of the XI International Palynological Congress. Granada. 14, 139-139. | DETAILS

Achab, A., Paris, F., Nõlvak, J., Asselin, E. 2004. Patterns and driving factors of the chitinozoan diversification during the Ordovician. International Symposium on Early Palaeozoic Palaeogeography & Palaeoclimate. September 1-3, 2004, Erlanger, Germany. Institut für Geologie der Universität Erlangen-Nürnberg, Erlangen. Erlanger Geologische Abhandlungen 5, 17-17. | DETAILS

Hints, O., Nõlvak, J., Mens, K., Viira, V. 2004. New palaeontological finds from the Tremadocian of Kadriorg, Tallinn, North Estonia. WOGOGOB-2004 Conference Materials. Abstracts and Field Guidebook. Tartu University Press, Tartu. 43-44. PDF | DETAILS

Mullins, G. L., Aldridge, R. J. 2004. Chitinozoan biostratigraphy of the basal Wenlock Series (Silurian) Global Stratotype Section and Point. Palaeontology 47 (3), 745-773. | DOI | DETAILS

Nõlvak, J. 2004. Ordovician chitinozoan distribution in the different areas of Baltoscandia. International Symposium on Erlanger Geologische AbhandlungenEarly Palaeozoic Palaeogeography & Palaeoclimate. September 1-3, 2004, Erlanger, Germany. Institut für Geologie der Universität Erlangen-Nürnberg, Erlangen. Erlanger Geologische Abhandlungen 5, 56-56. | DETAILS

Nõlvak, J., Männik P., Martma, T. 2004. New biostratigraphic and isotopic data from the Ordovician – Silurian boundary beds in the Copenhagen Canyon section, Nevada. WOGOGOB-2004 Conference Materials. Abstracts and Field Guidebook. Tartu University Press, Tartu. 79-80. | DETAILS

Paris, F., Achab, A., Asselin, E., Chen, X.-H., Grahn, Y., Nõlvak, J., Obut, O., Samuelsson, J., Sennikov, N., Vecoli, M., Verniers, J., Wang, X.-F., Winchester-Seeto, T. 2004. Chitinozoans. The Great Ordovician Biodiversification Event. Columbia University Press, New York. 294-311. | DOI | DETAILS

Saadre, T., Einasto, R., Nõlvak, J., Stouge, S. 2004. Ordovician stratigraphy of the Kovel-1 well (Volkhov-Haljala) in the Volynia region, northwestern Ukraine. Bulletin of the Geological Society of Denmark 51 (1), 47-69. PDF | DOI | DETAILS

Vandenbroucke, T. 2004. Chitinozoan biostratigraphy of the Upper Ordovician Fågelsång GSSP, Scania, southern Sweden. Review of Palaeobotany and Palynology 130 (1-4), 217-239. | DOI | DETAILS

Vanmeirhaeghe, J., Verniers, J. 2004. Chitinozoan bio- and lithostratigraphical study of the Ashgill Fosses and Génicot Formations (Condroz Inlier, Belgium). Review of Palaeobotany and Palynology 130 (1-4), 241-267. | DOI | DETAILS

Loydell, D. K., Männik, P., Nestor, V. 2003. Integrated biostratigraphy of the lower Silurian of the Aizpute-41 core, Latvia. Geological Magazine 140 (2), 205-229. | DOI | DETAILS

Nestor, H., Einasto, R., Männik, P., Nestor, V. 2003. Correlation of lower-middle Llandovery sections in central and southern Estonia and sedimentation cycles of lime muds. Proceedings of the Estonian Academy of Sciences. Geology 52 (1), 3-27. PDF | DOI | DETAILS

Nestor, V. 2003. Distribution of Silurian chitinozoans. Ruhnu (500) drill core. Geological Survey of Estonia, Tallinn. Estonian Geological Sections Bulletin 5, 13-14. | DETAILS

Nõlvak, J. 2003. Distribution of Ordovician chitinozoans. Ruhnu (500) drill core. Geological Survey of Estonia, Tallinn. Estonian Geological Sections Bulletin 5, 23-25. | DETAILS

Achab, A., Paris, F., Nõlvak, J., Asselin, A. Verniers, J. 2002. Biodiversification of Ordovician chitinozoans from Laurentia, Baltica and North Gondwana. International Paleontological Congress 2002, Geological Society of Australia, Abstracts. 68, 3-4. | DETAILS

Modliński, Z., Nõlvak, J., Szymanski, B. 2002. Zespoly Chitinozoa serii ordowickiej otworu Proniewicze IG 1 (NE Polska) [Chitinozoan biozonation of the Ordovician succession in the borehole Proniewicze IG 1 (NE Poland)]. Przegląd Geologiczny 50 (1), 67-74. | DETAILS

Modliński, Z., Nõlvak, J., Szymanski, B. 2002. Zespoly Chitinozoa serii ordowickiej otworu Ketrzyn IG 1 (NE Polska) [Chitinozoan biozonation of the Ordovician succession in the borehole Ketrzyn IG 1 (NE Poland)]. Przegląd Geologiczny 50 (12), 1149-1158. | DETAILS

Mullins, G. L., Loydell, D. K. 2002. Integrated Lower Silurian chitinozoan and graptolite biostratigraphy of Buttington Brick Pit, Wales. Cambridge University Press. Geological Magazine 139 (1), 89-96. | DOI | DETAILS

Nestor, H., Nestor, V. 2002. Upper Llandovery to middle Wenlock (Silurian) lithostratigraphy and chitinozoan biostratigraphy in southwestern Estonia and northermost Latvia. Proceedings of the Estonian Academy of Sciences. Geology 51 (2), 67-87. PDF | DOI | DETAILS

Nestor, V., Einasto, R., Loydell, D. K. 2002. Chitinozoan biostratigraphy and lithological characteristics of the Lower and Upper Visby boundary beds in the Ireviken 3 section, Northwest Gotland. Proceedings of the Estonian Academy of Sciences. Geology 51 (4), 215-226. PDF | DOI | DETAILS

Nõlvak, J. 2002. Chitinozoan biostratigraphy in the Ordovician of Baltoscandia. Tallinn Technical University, Tallinn. Tallinn University of Technology Doctoral Thesis B14, 1-200. PDF | DETAILS

Nõlvak, J. 2002. Distribution of chitinozoans. Soovälja (K-1) drill core. Geological Survey of Estonia, Tallinn. Estonian Geological Sections Bulletin 4, 10-12. | DETAILS

Paris, F., Achab, A.,Asselin, E., Chen, X.-H., Grahn, Y., Nõlvak, J., Obut, O., Samuelsson, N., Sennikof, N., Vecoli, M., Verniers, J., Wang, X.-F., Winchester-Seeto, T. 2002. Global and regional biodiversity of Ordovician chitinozoans. Abstracts of the International C.I.M.P. Symposium: “Palaeozoic Palynology in the Third Millenium. Lille. 44-44. | DETAILS

Sennikov, N. V., Obut, O. T. 2002. Тестирование зональной последовательности по хитинозоям на базе граптолитовых зон (ордовик, Горный Алтай и Московская синеклиза) [Testing the chitinozoan zonal succession according to the graptolite zonal scale (Ordovician, Gorny Altai and Moscow syneclise)]. Novosti paleontologii i stratigrafii. Geologia i geofizika 5, 51-63. | DETAILS

Verniers, J., de Permentier, J., de Winter, W., Nestor, V. K., Priewalder, H. 2002. Biometry and illustrations of holotype material from northern Spain and Gotland of selected chitinozoan index species of the Llandovery and the Wenlock (Silurian). Abstracts of the International C.I.M.P. Symposium: “Palaeozoic Palynology in the Third Millemium. Lille. 68-68. | DETAILS

Verniers, J., Paris, F., Asselin, E., VanGrootel, G., Achab, A., Nestor, V., Lakova, I., Nõlvak, J., Grahn, Y., Sutherland, S., Winchester-Seeto, T., Vandenbroucke, T. 2002. CHITREF: a database with all published chitinozoan references (1930-2001) and a list of all chitinozoan species. Abstracts of the International C.I.M.P. Symposium: “Palaeozoic Palynology in the Third Millemium. Lille. 14-14. | DETAILS

Kaljo, D., Hints, L., Martma, T., Nõlvak, J. 2001. Carbon isotope stratigraphy in the latest Ordovician of Estonia. Chemical Geology 175, 49-59. | DOI | DETAILS

Mullins, G. L., Loydell, D. K. 2001. Integrated Silurian Chitinozoan and Graptolite Biostratigraphy of the Banwy River Section, Wales. Palaeontology 44 (4), 731-781. | DOI | DETAILS

Nõlvak, J. 2001. Distribution of chitinozoans. Valga (10) Drill Core. Geological Survey of Estonia, Tallinn. Estonian Geological Sections Bulletin 3, 8-10. | DETAILS

Nõlvak, J. 2001. Diversity of Ordovician chitinozoans in Baltoscandian sections. IGCP 410: The Great Ordovician Biodiversification Event. 2nd Supplement. PaleoBios 21 (2), 8-9. | DETAILS

Paris, F., Achab, A., Asselin, E., Bourahrough, A., Chen, X. H., Grahn, Y., Nõlvak, J., Obut, O., Samuelsson J., Sennikof, N., Wang, X. F., Winchester-Seeto, T. 2001. The biodiversification of the Ordovician Chitinozoans. IGCP 410: The Great Ordovician Biodiversification Event. 2nd Supplement. Berkeley, California. 8-9. PaleoBios 21 (2), 9-9. | DETAILS

Mullins, G. L. 2000. A chitinozoan morphological lineage and its importance in lower Silurian stratigraphy. Palaeontology 43 (2), 359-373. | DOI | DETAILS

Ormö, J., Sturkell, E., Nõlvak, J., Wallin, Å. 2000. Distant Resurge influenced Sediments at the Lockne Marine-Target Crater, Sweden. 4th European Science Foundation Workshop: Meteorite Impacts in Precambrian Shields. Programme and Abstracts. Lappajärvi, Finland. 52-52. | DETAILS

Paris, F., Bourahrouh, A., Hérissé, A. 2000. The effects of the final stages of the Late Ordovician glaciation on marine palynomorphs (chitinozoans, acritarchs, leiospheres) in well Nl-2 (NE Algerian Sahara). Review of Palaeobotany and Palynology 113 (1-3), 87-104. | DOI | DETAILS

Soufiane, A., Achab, A. 2000. Chitinozoan zonation of the Late Ordovician and the Early Silurian of the island of Anticosti, Québec, Canada. Review of Palaeobotany and Palynology 109 (2), 85-100. | DOI | DETAILS

Kaljo, D., Hints, L., Hints, O., Martma, T., Nõlvak, J. 1999. Carbon isotope excursions and coeval biotic-environmental changes in the late Caradoc and Ashgill of Estonia. Quo vadis Ordovician?. Acta Universitatis Carolinae. Geologica 43 (1/2), 507-510. PDF | DETAILS

Nestor, V. 1999. Distribution of chitinozoans in the Llandovery of the Oslo region. Bollettino della Società Paleontologica Italiana 38 (2-3), 227-238. | DETAILS

Nõlvak, J. 1999. Ordovician chitinozoan biozonation of Baltoscandia. Acta Universitatis Carolinae. Geologica 43 (1/2), 287-290. | DETAILS

Nõlvak, J. 1999. Distribution of chitinozoans. Geological Survey of Estonia, Tallinn. Taga-Roostoja (25A) Drill Core. Estonian Geological Sections Bulletin 2, 10-12. | DETAILS

Nõlvak, J. 1999. Distribution of chitinozoans. Taga-Roostoja (25 A) drill core. Geological Survey of Estonia, Tallinn. Estonian Geological Sections Bulletin 2, 10-12. | DETAILS

Nõlvak, J., Grahn, Y., Sturkell, E. F. F. 1999. Chitinozoan biostratigraphy of the Middle Ordovician Dalby Limestone in the Fjäcka section, Siljan district, Sweden. Proceedings of the Estonian Academy of Sciences. Geology 48 (2), 75-85. PDF | DOI | DETAILS

Paris, F., Grahn., Y., Nestor, V., Lakova, I. 1999. A revised chitinozoan classification. Journal of Paleontology 73 (4), 549-570. | DOI | DETAILS

Paris, F., Nõlvak, J. 1999. Biological interpretation and paleobiodiversity of a cryptic fossil group: The “chitinozoan animal”. Geobios 32 (2), 315-324. | DOI | DETAILS

Paris, F., Verniers, J., Achab, A., Albani, R., Ancilletta, A., Asselin, E., Chen, X., Fatka, O., Grahn, Y., Molyneux, S., Nõlvak, J., Samuelsson, J., Sennikov, N. V., Soufiane, A., Wang, X., Winchester-Seeto, T. 1999. Correlation of Ordovician regional chitinozoan biozonations. Acta Universitatis Carolinae. Geologica 43 (1/2), 291-294. | DETAILS

Verniers, J. 1999. Calibration of Chitinozoa versus graptolite biozonation in the Wenlock of Builth Wells district (Wales, U.K.), compared with other areas in Avalonia and Baltica. Bollettino della Società Paleontologica Italiana 38 (2), 359-380. | DETAILS

Grahn, Y. 1998. Lower Silurian (Llandovery-Middle Wenlock) Chitinozoa and biostratigraphy of the mainland of Sweden. 120 (3), 273-283. | DOI | DETAILS

Nestor, V. 1998. Chitinozoan biofacies of late early Llandovery (Coronograptus cyphus) age in the East Baltic. Proceedings of the Estonian Academy of Sciences. Geology 47 (4), 219-228. PDF | DOI | DETAILS

Paalits, I., Maletz, J., Maslov, A., Erdtmann, B.-D. 1998. Age and fossils of the Sermenovo Formation (Silurian), southern Urals (Russia). Newsletters on Stratigraphy 36 (2/3), 145-156. | DOI | DETAILS

Achab, A. 1997. Les chitinozoaires de la zone à Climacograptus prominens elongatus de la Formation de Vauréal (Ordovicien supérieur), Ile d'Anticosti, Québec [Les chitinozoaires de la zone à Climacograptus prominens elongatus de la Formation de Vauréal (Ordovicien supérieur), Ile d'Anticosti, Québec]. Canadian Journal of Earth Sciences 14 (10), 2193-2212. | DOI | DETAILS

Nestor, V. 1997. Reflection of Wenlock oceanic episodes and events of the chitinozoan succession of Estonia. Proceedings of the Estonian Academy of Sciences. Geology 46 (3), 119-126. PDF | DOI | DETAILS

Nestor, V., Einasto, R. 1997. Correlation of some Wenlock outcrop sections of Gotland with the Ohesaare section of Saaremaa, Estonia. Proceedings of the Estonian Academy of Sciences. Geology 46 (4), 155-168. PDF | DOI | DETAILS

Nõlvak, J. 1997. Ordovician chitinozoans. Geology and mineral resources of Estonia. Estonian Academy Publishers, Tallinn. 210-212. | DETAILS

Nõlvak, J. 1997. Chitinozoan distribution in the profiles across the confacies belts in the East Baltic Ordovician. WOGOGOB Abstracts. St. Petersburg. 44-44. | DETAILS

Grahn, Y. 1996. Upper Silurian (Upper Wenlock- Lower Pridoli) Chitinozoa and biostratigraphy of Skåne, southern Sweden. GFF 118 (4), 237-250. | DOI | DETAILS

Grahn, Y., Nõlvak, J., Paris, F. 1996. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. Journal of Micropalaeontology 15, 21-35. | DETAILS

Kaljo, D., Nõlvak, J., Uutela, A. 1996. More about Ordovician microfossil diversity patterns in the Rapla section, Northern Estonia. Proceedings of the Estonian Academy of Sciences. Geology 45 (3), 131-148. PDF | DOI | DETAILS

Miller, M. A. 1996. Chapter 11. Chitinozoa. Palynology: Principles and applications. 1. American Association of Startigraphic Palynologists Foundation. 307-336. | DETAILS

Nõlvak, J. 1996. High-resolution chitinozoan biostratigraphy of some Ordovician events in Baltoscandia. The Third Baltic Stratigraphical Conference. Abstracts. Field Guide. Tartu University Press, Tartu. 47-47. | DETAILS

Paris, F., Grahn, Y. 1996. Chitinozoa of the Silurian-Devonian boundary sections in Podolia, Ukraine. Palaeontology 39 (3), 629-649. | DETAILS

Grahn, Y. 1995. Lower Silurian Chitinozoa and biostratigraphy of subsurface Gotland. GFF 117 (1), 57-65. | DOI | DETAILS

Kaljo, D., Nõlvak, J., Uutela, A. 1995. Ordovician microfossil diversity patterns in the Rapla section, Northern Estonia. Ordovician Odyssey: short Papers for tye Seventh International Symposium on the Ordovician System. Book 77. Fullerton, California. 415-418. | DETAILS

Nõlvak, J., Meidla, T., Uutela, A. 1995. Microfossils in the Ordovician erratic boulders from Southwestern Finland. Bulletin of the Geological Society of Finland 67 (2), 3-26. | DOI | DETAILS

Paris, F., Verniers, J., Al-Hajri, S., Al-Tayyar, H. 1995. Biostratigraphy and palaeogeographic affinities of Early Silurian chitinozoans from central Saudi Arabia. Review of Palaeobotany and Palynology 89 (1-2), 75-90. | DOI | DETAILS

Verniers, J., Nestor, V., Paris, F., Dufka, P., Sutherland, S., Van Grootel, G. 1995. A global Chitinozoa biozonation for the Silurian. Geological Magazine 132 (6), 651-666. | DOI | DETAILS

Grahn, Y., Idil, S., Østvedt, A. M. 1994. Caradocian and ashgillian chitinozoan biostratigraphy of the Oslo‐asker and ringerike districts, Oslo region, Norway. GFF 116 (3), 147-160. | DOI | DETAILS

Nestor, V. 1994. Early Silurian chitinozoans of Estonia and North Latvia. Estonian Academy Publishers, Tallinn. 1-163. PDF | DETAILS

Achab, A., Asselin, E., Soufiane, A. 1993. New morphological characters observed in the order Operculatifera and their implications for the suprageneric Chitinozoan classification. Palynology 17 (1), 1-9. | DOI | DETAILS

Grahn, Y. Nõlvak, J. 1993. Chitinozoan dating of Ordovician impact events in Sweden and Estonia. A preliminary note. GFF 115 (3), 263-264. | DOI | DETAILS

Nestor, V. 1993. Chitinozoans at the Llandovery-Wenlock transition in the Jaagarahu core, Estonia. Proceedings of the Estonian Academy of Sciences. Geology 42 (4), 167-175. PDF | DOI | DETAILS

Nõlvak, J., Grahn, Y. 1993. Ordovician chitinozoan zones from Baltoscandia. Review of Palaeobotany and Palynology 79, 245-269. | DOI | DETAILS

Grahn, Y., Paris, F. 1992. Age and correlation of the Trombetas Group, Amazonas Basin, Brazil. Revue de Micropaleontologie 35 (3), 197-209. | DETAILS

Nestor, V. 1992. Chitinozoan diversity dynamics in the East Baltic Silurian. Proceedings of the Estonian Academy of Sciences. Geology 41 (4), 215-224. PDF | DOI | DETAILS

Nestor, V. 1991. On the distribution of aberrant forms of chitinozoans in the Silurian of Estonia and West Latvia. Proceedings of the Estonian Academy of Sciences. Geology 40 (3), 96-99. PDF | DOI | DETAILS

Nestor, V., Nestor, H. 1991. Dating of the Wenlock carbonate sequences in Estonia and stratigraphic breaks. Proceedings of the Estonian Academy of Sciences. Geology 40 (2), 50-60. PDF | DOI | DETAILS

Nestor, V. 1990. Silurian chitinozoans. Field Meeting Estonia 1990. An Excursion Guidebook. Estonian Academy of Sciences, Tallinn. 80-83. | DETAILS

Nõlvak, J. 1990. Ordovician chitinozoans. Field Meeting Estonia 1990. An Excursion Guidebook. Estonian Academy of Sciences, Tallinn. 77-79. | DETAILS

Schallreuter, R. 1990. Ein Rogösandstein-Geschiebe (Ordoviz) aus Hamburg. Archiv für Geschiebekunde 1, 9-30. | DETAILS

Swire, H. P. 1990. New chitinozoan taxa from the lower Wenlock (Silurian) of the Welsh Borderlands, England. Journal of Micropalaeontology 9, 107-113. | DOI | DETAILS

Achab, A. 1989. Ordovician chitinozoan zonation of Quebec and western Newfoundland. Journal of Paleontology 63 (1), 14-24. | DOI | DETAILS

Asselin, E., Achab, A., Bourque, P. A. 1989. Chitinozoaires du Silurien inférieur dans la région de la baie des Chaleurs en Gaspésie, Québec, Canada. Canadian Journal of Earth Sciences 26 (12), 2435-2449. | DOI | DETAILS

Hints, L., Meidla, T., Nõlvak, J., Sarv, L. 1989. Some specific features of the Late Ordovician evolution in the Baltic Basin. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 38 (2), 83-87. PDF | DOI | DETAILS

Nõlvak, J. 1989. Результаты количественной стратиграфической корреляции верхнего ордовика Прибалтики: хитинозои [Results of quantitative stratigraphic correlation of the Upper Ordovician in the Baltic: chitinozoans]. Количественная стратиграфиия [Quantitative stratigraphy - retrospective evaluation and future development. Eds: Oleynikov, A. & Rubel, M.]. Tallinn. 139-154. | DETAILS

Nõlvak, J. 1988. Хитинозой верхнего ордовика Средне-Литовского прогиба [Upper Ordovician chtinozoans of the Central-Lithuanian Depression]. deponeeritud VINITI-sse. 1-56. | DETAILS

Nestor, V.-K. 1987. Хитинозои нижнего силура Северной Прибалтики [Lower Silurian chitinozoans of the East Baltic]. Eesti NSV Teaduste Akadeemia, Tallinn. 1-19. | DETAILS

Nestor, V.-K. 1987. Хитинозои нижнего силура Северной Прибалтики [Lower Silurian chitinozoans of the East Baltic]. kandidaaditöö. Tallinn. 1-226. | DETAILS

Nõlvak, J. 1987. Распространение кислотоустойчивых микрофоссилий в разрезах ашгилла Северной Прибалтики [Distribution of the acid-resistant microfossils in the northern East Baltic Ashgillian]. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 36 (2), 90-91. PDF | DOI | DETAILS

Kaljo, D., Viira, V., Märss, T., Nestor, V. 1986. Сообщества нектона, нектобентоса и планктон (рыб, бесчелюстных, конодонтоносителей, граптолитов, хитинозой) силура Восточной Прибалтики [The nektic, nektobenthic and planktonic communities (fishes, agnathans, conodonts, graptolites, chitinozoans) of the east Baltic Silurian]. Теория и опыт экострариграфии. Pед: Кальо, Д. Л. & Клааманн, Э. Р. [Theory and practice of ecostratigraphy]. Valgus, Tallinn. 127-136. | DETAILS

Nõlvak, J. 1986. Распространение хитинозой в разрезах верхнего ордовика Эстонии [Distribution of chitinozoans in the Upper Ordovician sections of Estonia]. Deponeeritud VINITI-sse. 1-31. | DETAILS

Schallreuter, R. 1986. Geschiebe-Chitinezoen Fortsetzung. Der Geschiebesammler 20 (1/2), 1-21. PDF | DETAILS

Schallreuter, R. 1986. Geschiebe-Chitinezoen. Der Geschiebesammler 19 (4), 157-164. PDF | DETAILS

Mabillard, J. E., Aldridge, R. J. 1985. Microfossil distribution across the base of the Wenlock series in the type area. Palaeontology 28 (1), 89-100. | DETAILS

Obut, A. M., Zaslavskaya, N. M. 1985. О следах жизнедеятельности и скелетных остатках паразитов у хитинозой [About trace fossils and skeletal remnants of parasites in chitinozoans]. Среда и жизнь в геологическом прошлом (палеобассейны и их обитатели). Nauka, Novosibirsk. 62-64. | DETAILS

Achab, A. 1984. Chitinozoaires de l'Ordovicien moyen de subsurface de l'Ile Anticosti. Review of Palaeobotany and Palynology 43 (1-3), 123-143. | DOI | DETAILS

Grahn, Y. 1984. Ordovician chitinozoa from Tallinn, northern Estonia. Review of Palaeobotany and Palynology 43 (1-3), 5-31. | DOI | DETAILS

Nestor, V. 1984. Distribution of Chitinozoans in the Late Llandoverian Rumba Formation (Pentamerus Oblongus Beds) of Estonia. Review of Palaeobotany and Palynology 43 (1-3), 145-153. | DOI | DETAILS

Nestor, V. 1984. Зональное распределение хитинозой в яаниском горизонте (венлок Эстонии) и проблема его границ [Zonal distribution of chitinozoans in the Wenlockian Jaani Stage of Estonia and the problem of its upper boundary]. Стратиграфия древнепалеозойских отложений Прибалтики [Stratigrafiâ drevnepaleozojskih otloženij Pribaltiki]. Eesti NSV Teaduste Akadeemia, Tallinn. 119-127. | DETAILS

Nestor, V. 1984. Distribution of Chitinozoans in the Late Llandoverian Rumba Formation (Pentamerus Oblongus Beds) of Estonia. 6th International Palynological Conference. Abstracts. Calgary. | DETAILS

Nõlvak, J. 1984. Распространение кислотоустойчивых микрофоссилий в разрезах ашгилла Северной Прибалтики [Distribution of acid-resistant microfossils in the northern East Baltic Ashgillian]. Deponeeritud VINITI-sse. 1-70. | DETAILS

Obut, A. M., Zaslavskaya, N. M. 1984. О следах жизнедеятельности и скелетных остатках паразитов у хитинозой [About trace fossils and skeletal remnants of parasites in chitinozoans]. Tezisy Dokladov XXX Sessii Vsesoyuznogo Paleontologicheskogo Obshchestva (23-27 yanvarya 1984 g). | DETAILS

Obut, A. M., Zaslavskaya, N. M. 1984. Хитинозои нижнего ордовика Горного Алтая [Lower Ordovician Chitinozoa of Gornyi Altai]. Стратиграфия и фауна нижнего ордовика Горного Алтая. Transactions of the Institute of Geology and Geophysics 585, 53-105. | DETAILS

Paris, F., Mergl, M. 1984. Arenigian chitinozoans from the Klabava formation, Bohemia. Review of Palaeobotany and Palynology 43 (1-3), 33-65. | DOI | DETAILS

Achab, A. 1983. Chitinozoaires du Llanvirn (formation de Table Head) de la partie occidentale de Terre-Neuve, Canada. Canadian Journal of Earth Sciences 20 (6), 918-931. | DOI | DETAILS

Grahn, Y. 1983. Early Caradoc Chitinozoa from Östergötland, south central Sweden. GFF 105 (3), 269-272. | DOI | DETAILS

Martin, F. 1983. Chitinozoaires et acritarches ordoviciens de la plate-forme du Saint-Laurent (Québec et sud-est de l’Ontario). Geological Survey of Canada Bulletin 1-58. | DETAILS

Zaslavskaya, N. M., Männil, R. M., Obut, A. M. 1983. Об "аберрантности" и укладках одиночных и цепочных хитинозой [Ob "aberrantnosti" i ukladkah odinočnyh i cepočnyh hitinozoj]. Среда и жизнь в геологическом прошлом [Environment and life in the geological past]. Nauka, Novosibirsk. Transactions of the Institute of Geology and Geophysics 569, 5-7. | DETAILS

Grahn, Y. 1982. Caradocian and Ashgillian Chitinozoa from the subsurface of Gotland. Serie: C. Sveriges Geologiska Undersökning 788, 1-66. | DETAILS

Grahn, Y. 1982. Chitinozoophoran palaeoecology in the Ordovician of Öland. serie C. Sveriges Geologiska Undersökning 792, 1-17. | DETAILS

Kaljo, D., Viira, V., Klaamann, E., Männil, R., Märss, T., Nestor, V., Nestor H., Rubel, M., Sarv, L., Einasto, R. 1982. Экологическая модель силурийского бассейна Восточной Прибалтики [Èkologičeskaâ model' silurijskogo bassejna Vostočnoj Pribaltiki]. Теория и опыт экостратиграфии. Тезисы докладов Всесоюзного совещания. Таллин, 19-22 октября 1982 г. [Theory and practice of ecostratigraphy. All-Union conference, Tallinn, October 19-22, 1982. Abstracts]. Academy of Sciences of the Estonian S.S.R. Institute of Geology, Tallinn. 37-38. | DETAILS

Miller, M. A. 1982. The use of chitinozoans for recognition of sedimentary environments. Concepts and examples. Supplement. Journal of Paleontology 56 (2), 19. | DETAILS

Nestor, V. 1982. Новые хитинозои рода Conochitina из венлока Эстонии [New Wenlockian species of Conochitina from Estonia]. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 31 (3), 105-111. PDF | DOI | DETAILS

Nestor, V. 1982. Новые виды хитинозой родов Ancyro-, Gotlando- и Sphaerochitina из венлока Эстонии [New chitinozoans of the genera Ancyro-, Gotlando- and Sphaerochitina from the Wenlockian of Estonia]. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 31 (4), 146-151. PDF | DOI | DETAILS

Nestor, V. 1982. Зональные комплексы хитинозой (венлок Эстонии) [Chitinozoan zonal assemblages (Wenlock, Estonia)]. Сообщества и биозоны в силуре Прибалтики [Silurian assemblages and biozones in the East Baltic region]. Valgus, Tallinn. 84-96. PDF | DETAILS

Nestor, V. 1982. Correlation of the East Baltic and Gotland Silurian by chitinozoans. Ecostratigraphy of the East Baltic Silurian. Valgus, Tallinn. 89-96. | DETAILS

Rombouts, L. P. 1982. Factors controlling the distribution of Chitinozoa in the Gleedon chronozone (Wenlockian) of northern Europe. Annales de la Société Géologique de Belgique 105, 259-271. | DETAILS

Tsegelnjuk, P. D. 1982. Хитинозои силура Подолии [Silurian chitinozoans in Podolia]. Naukova Dumka, Kyiv. 1-159. | DETAILS

Achab, A. 1981. Biostratigraphie par les chitinozoaires de l’Ordovicien supérieur-Silurien inférieur de l’Ile de Anticosti. Résultats préliminaries. Field meeting Stratigraphy and Paleontology, Anticosti-Gasy. IUGS subcommission on Silurian Stratigraphy Ordovician-Silurian Boundary Working Group. Ed: Lespérance, P. J.. Montreal. 143-157. | DETAILS

Dorning, K. J. 1981. Silurian Chitinozoa from the type Wenlock and Ludlow of Shropshire, England. Review of Palaeobotany and Palynology 34 (2), 205-208. | DOI | DETAILS

Grahn, Y. 1981. Middle Ordovician Chitinozoans from Öland. Sveriges Geologiska Undersökning 784, 1-51. | DETAILS

Grahn, Y. 1981. Ordovician chitinozoa from the Stora Asbotorp Boring in Vastergotland South-Central Sweden. Sveriges Geologiska Undersökning 75 (8), 1-40. | DETAILS

Grahn, Y. 1981. Parasitism on Ordovician Chitinozoa. Lethaia 14 (2), 135-142. | DOI | DETAILS

Obut, A. M., Zaslavskaya, N. M. 1981. Комплексы хитинозой в верхнем лландовери-нижнем венлоке Сибирской и Русской платформ [Kompleksy hitinozoj v verhnem llandoveri-nižnem venloke Sibirskoj i Russkoj platform]. Палеонтология и биостратиграфия плаеозоя Сибири [Paleontologiâ i biostratigrafiâ plaeozoâ Sibiri]. Nauka, Novosibirsk. Transactions of the Institute of Geology and Geophysics 584, 56-58. | DETAILS

Paris, F. 1981. Les Chitinozoaires dans le Paléozoïque de sud-ouest de l'Europe: cadre géologique, étude systématique, biostratigraphie. Rennes: Société géologique et minéralogique de Bretagne. 26, 1-496. | DETAILS

Paris, F., Laufeld, S., Chlupáč, I. 1981. Chitinozoa of the Silurian-Devonian boundary stratotypes in Bohemia. Uppsala. Sveriges Geologiska Undersökning Ser. Ca (51), 1-28. | DETAILS

Schallreuter, R. 1981. Chitinozoen aus dem Sularpschiefer (Mittelordoviz) von Schonen (Schweden). B. Palaeontographica 178 (4-6), 89-142. | DETAILS

Umnova, N. I. 1981. Ордовикские и силурийские хитинозои северной части Русской платформы [Ordovikskie i silurijskie hitinozoi severnoj časti Russkoj platformy]. Paleontologicheski Zhurnal 15 (3), 23-33. | DETAILS

Achab, A. 1980. Chitinozoaires de l’Arenig inférieur de la Formation de Lévis (Québec, Canada). Review of Palaeobotany and Palynology 31, 219–239. | DETAILS

Bockelie, T. G. 1980. Early Ordovician Chitinozoa from Spitzbergen. Palynology 4 (1), 1-14. | DOI | DETAILS

Grahn, Y. 1980. Early Ordovician Chitinozoa from Öland. Sveriges Geologiska Undersökning Serie: C (775), 1-41. | DETAILS

Klaamann, E. R., Einasto, R. E., Viira, V. J., Männil, R. P., Nestor, V. V., Rubel, M. P., Sarv, L. I. 1980. Фациалные закономерности распределения фауны в верхнем лландовери и венлоке Северной Прибалтики [Facialnye zakonomernosti raspredeleniâ fauny v verhnem llandoveri i venloke Severnoi Pribaltiki]. Экостратиграфия и экологические системы геологического прошлого. Труды XXII сессии Всесоюузного Палеонтологического Обществa [rudy XXII sessii VPO. Èkostratigrafiâ i èkologicheskie sistemy geologičeskogo prošlogo]. Nauka, Leningrad. 38-47. PDF | DETAILS

Nestor, V. 1980. Новые виды хитинозой из нижнего лландовери Эстонии [New chitinozoan species from the Lower Llandoverian of Estonia]. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 29 (3), 98-107. PDF | DOI | DETAILS

Nestor, V. 1980. Хитинозои среднего лландовери Эстонии [Middle Llandoverian Chitinozoans from Estonia]. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 29 (4), 136-142. PDF | DOI | DETAILS

Nõlvak, J. 1980. Chitinozoans in biostratigraphy of the northern East Baltic Ashgillian. A preliminary report. Acta Palaeontologica Polonica 25 (2), 253-260. | DETAILS

Nõlvak, J. 1980. Микропланктон ашгилла Северной Прибалтики [Microplancton from the Ashgillian of northern Baltic]. käsikiri. 1-96. | DETAILS

Wrona, R. 1980. Upper Silurian - Lower Devonian Chitinozoa from the subsurface of southeastern Poland. Palaeontologia Polonica 41, 103-165. | DETAILS

Wrona, R. 1980. Microarchitecture of the chitinozoan vesicles and its paleobiological significance. Acta Palaeontologica Polonica 25 (1), 123-163. PDF | DETAILS

Nõlvak, J. 1979. Роль хитинозой в биостратиграфии ашгилла Северной Прибалтики [Role of chitinozoans in the biostrtigraphy of the North Estonian Ashgillian]. Физические изотопно-геохимические методы в изучении антропогена Эстонии [Fizičeskie, izotopno-geohimičeskie i geologičeskie metody v izučenii antropogena Èstonii]. Tallinn. 55-61. | DETAILS

Podhalańska, T. 1979. The correlative significance of the Chitinozoa-bearing horizon in the Caradocian profiles of the Leba region (NW Poland). Acta Geologica Polonica 29 (4), 443-448. | DETAILS

Achab, A. 1978. Chitinozoaires de l'Ordovicien supérieur - formations de Vauréal et de Ellis Bay - de l'Ile d'Anticosti, Québec. Palinologia, número extraordinario 1, 1-19. | DETAILS

Cramer, F. H., Diez, M. C. 1978. Iberian chitinozoans. I, Introduction and summary of pre-Devonian data. Palinologia. Palinologia, no. extraord. 1, 149-201. | DETAILS

Grahn, Y. 1978. Chitinozoan stratigraphy and palaeoecology at the Ordovician–Silurian boundary in Skåne, southernmost Sweden. Sveriges Geologiska Undersökning Serie: C (744), 1-16. | DETAILS

Zaslavskaya, N. M., Obut, A. M., Sennikov, N. V. 1978. Хитинозоа в ордовикских и силурийских отлозенияx Горного Алтая [Hitinozoa v ordovikskih i silurijskih otlozeniâx Gornogo Altaâ]. Фауна и биостратиграфия верхнего ордовика и силура Алтае-Саянской области [The fauna anf biostratigraphy of Upper Ordovician and Silurian of the Altai-Sajan Region]. Nauka, Moscow. Transactions of the Institute of Geology and Geophysics 405, 42-56. | DETAILS

Achab, A. 1977. Les chitinozoaires de la zone á Dicellograptus complanatus de la Formation de Vauréal (Ordovicien supérieur), Ile d’Anticosti, Québec. Canadian Journal of Earth Sciences 14 (3), 413-442. | DOI | DETAILS

Bloeser, B., Schopf, J. W., Horodyski, R. J., Breed, W. J. 1977. Chitinozoans from the Late Precambrian Chuar Group of the Grand Canyon, Arizona. Science 195 (4279), 676-679. | DOI | DETAILS

Laufeld, S. 1977. Paleoecology of Silurian Chitinozoans. I Coloquio internacional de palinología : León, 5-10 septiembre 1977 [First International symposium on palynology]. Leon, Spain. 23-24. | DETAILS

Eisenack, A. 1976. Mikrofossilien aus dem Vaginatenkalk von Hälludden, Öland. Palaeontographica Abt A (154), 181-203. | DETAILS

Eisenack, A. 1976. Weiterer Beitrag zur Chitinozoen-Forschung. Stuttgart. Neues Jahrbuch für Geologie und Paläontologie Monatshefte 11, 641-652. | DETAILS

Nestor, V. 1976. Сопоставление некоторых разрезов райккюлаского горизонта Эстонии по микропланктону [A microplankton correlation of boring sections of the Raikküla Stage, Estonia]. Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология 25 (4), 319-323. PDF | DOI | DETAILS

Umnova, N. I. 1976. Structural types of the prosome and operculum in the association with genera and species of chitinozoans. Paleontological Journal 4, 393-405. | DETAILS

Laufeld, S. 1974. Silurian Chitinozoa from Gotland. Fossils and Strata 5, 1-130. | DETAILS

Cramer, F. H. 1973. Middle and Upper Silurian chitinozoan succession in Florida subsurface. Journal of Paleontology 47 (2), 279-288. | DETAILS

Obut, A. M. 1973. On the geographical distribution, comparative morphology, ecology, phylogeny and systematical position of the Chitinozoa. Окружающая среда и жизнь в геологическом прошлом [Environment and life in the geological past]. Nauka, Novosibirsk. Nauka, Novosibirsk 72-84. | DETAILS

Eisenack, A. 1972. Chitinozoen und andere Mikrofossilien aus der Bohrung Leba, Pommern. Palaeontographica A (139), 64-87. | DETAILS

Eisenack, A. 1972. Beiträge zur Chitinozoen-Forschung. Palaeontographica Abt A (140), 117-130. | DETAILS

Finger, K. L. 1972. Lagenochitina combazi, a new name for Lagenochitina tumida Combaz and Peniguel, 1972. Journal of Paleontology 56, 1488-1489. | DETAILS

Männil, R. 1972. Корреляция верхневируских отложений (средний ордовик) Швеции и Прибалтики по хитинозоям [Chitinozoan correlation of the Upper Viruan (Middle Ordovician) rocks of Sweden and the East Baltic area]. Eesti NSV Teaduste Akadeemia Toimetised. Keemia, Geoloogia / Известия Академии наук Эстонской ССР. Химия. Геология 21 (2), 137-142. PDF | DOI | DETAILS

Obut, A. M. 1972. О географическом распространении, сравнительной морфологии, экологии, филогении п систематическом положении хптннозоа [On geographical distribution, comparative morphology, ecology, phylogeny and systematic distribution of Chitinoza]. Environment and life in the geological past (Late Pre-Cambrian and Palaeozoic of Siberia). 72-84. | DETAILS

Urban, J. B. 1972. A reexamination of Chitinozoa from the Cedar Valley Formation of Iowa with observations on their morphology and distribution. Bulletins of American Paleontology 63 (275), 1-44. | DETAILS

Dicevičius, V. J. 1971. Новые виды хитинозоев из ордовикских и силурийских отложении Южной Прибалтики и Белоруссии. 2. Sphaerochitina [Some new species of chitinozoa from the Ordovician and Silurian deposits of the South Baltic and Byelorussia. 2. Sphaerochitina]. Палеонтология и стратиграфия Прибалтики и Белоруссии, Сборник III [Palaeontology and stratigraphy of the Baltic and Byelorussia. Number III]. Mintis, Vilnius. 77-96. | DETAILS

Eisenack, A. 1971. Weitere Mikrofossilien aus dem Beyrichienkalk (Silur). Neues Jahrbuch für Geologie und Paläontologie Monatshefte 8, 449-460. | DETAILS

Laufeld, S. 1971. Chitinozoa and correlation of the Moldova and Restevo beds of Podolia, USSR. Paris. Memoirs de Bureau de Recherches Geologique et Minieres 73, 281-300. | DETAILS

Männil, Ralf 1971. Distribution of selected Ordovician chitinozoan assemblages and species in northern Europe and their stratigraphical evaluation. Colloque Ordovicien-Silurien. Brest, septembre 1971. Paris. Memoirs de Bureau de Recherches Geologique et Minieres 73, 309-311. PDF | DETAILS

Cramer, F. H. 1970. Acritarchs and chitinozoans from the Silurian Ross Brook Formation, Nova Scotia. The University of Chicago Press. The Journal of Geology 78 (6), 745-749. | DETAILS

Dicevičius, V. J. 1970. Новые виды хитинозоев из ордовикских и силурийских отложении Южной Прибалтики и Белоруссии. 1. Acanthochitina и некоторые Conochitina [Some new species of chitinozoa from the Ordovician and Silurian deposits of the South Baltic and Byelorussia. 2. Sphaerochitina]. Палеонтология и стратиграфия Прибалтики и Белоруссии, Сборник II [Palaeontology and stratigraphy of the Baltic and the Byelorussia, Number II]. Mintis, Vilnius. 5-18. | DETAILS

Eisenack, A. 1970. Mikrofossilien aus dem Silur Estlands und der Insel Ösel. Geologiska Föreningens i Stockholm Förhandlingar 92, 302-322. | DOI | DETAILS

Jenkins, W. A. M. 1970. Chitinozoa. Proceedings of the Annual Meeting. American Association of Stratigraphic Palynologists. Proceedings of the First Annual Meeting, October 1968. Taylor & Francis. Geoscience and Man 1, 1-21. | DOI | DETAILS

Jenkins, W. A. M. 1970. Chitinozoa from the Ordovician Sylvan Shale of the Arbuckle Mountains, Oklahoma. Palaeontology 13 (2), 261-288. | DETAILS

Männil, Ralf 1970. Кислотоустойчивые микрофоссилии [Acid-resistant microfossils]. Кальо Д. Л. (ред.) Силур Эстонии [The Silurian of Estonia]. Valgus, Tallinn. 176-179. | DETAILS

Umnova, N. I. 1969. Распространение Chitinozoa в ордовике Русской платформы [Distribution of Chitinozoa in the Ordovician deposits of the Russian Platform]. Paleontologicheski Zhurnal 3, 45-62. | DETAILS

Eisenack, A. 1968. Über Chitinozoen des baltischen Gebietes. Palaeontographica Abt A (131), 137-198. | DETAILS

Eisenack, A. 1968. Microfossilien eines Geschiebes der Borkholmer Stufe, baltisches Ordovizium, F2. Mitt. Geol. Staatinst. Hamburg 37, 81-94. | DETAILS

Cramer, F. H. 1967. Chitinozoans of a composite section of Upper Llandoverian to basal Lower Gedinnian sediments in northern León, Spain. A preliminary report. Bulletin Societe BeIge Geologique 75, 69-129. | DETAILS

Jenkins, W. A. M. 1967. Ordovician Chitinozoa from Shropshire. Palaeontology 10 (3), 436-488. | DETAILS

Laufeld, S. 1967. Caradocian Chitinozoa from Dalarna, Sweden. GFF 89 (3), 275-349. | DOI | DETAILS

Taugourdeau, P. 1966. Les Chitinozoaires, techniques d'études, morphologie et classification. Nouvelle Série. Mémoires de la Société Géologique de France 104, 1-64. | DETAILS

Eisenack, A. 1965. Die Mikrofauna der Ostseekalke. 1. Chitinozoen, Hystrichosphären. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 123 (2), 115-148. | DETAILS

Cramer, F. H. 1964. Microplankton from three Palaeozoic formations in the province of Leon (NW Spain). Leidse geologische mededelingen 30, 255-361. | DETAILS

Eisenack, A. 1964. Mikrofossilien aus dem Silur Gotlands. Chitinozoen. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 120 (3), 308-342. | DETAILS

Wilson, L. R., Hedlund, R. W. 1964. Calpichitina scabiosa, a new chitinozoan from the Sylvan Shale (Ordovician) of Oklahoma. Oklahoma Geology Notes 24 (7), 161-164. | DETAILS

Kozłowski, R. 1963. Sur la nature des Chitinozoaires. Acta Palaeontologica Polonica 8 (4), 425-449. PDF | DETAILS

Schallreuter, R 1963. Neue Chitinozoen aus ordovizischen Geschieben und Bemerkungen zur Gattung Illichitina. Paläontologische Abhandlungen I 4, 391-405. PDF | DETAILS

Eisenack, A. 1962. Neotypen baltischer Silur-Chitinozoen und neue Arten. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 114, 291-316. | DETAILS

Eisenack, A. 1962. Neue problematische Mikrofossilien. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 114, 135-141. | DETAILS

Staplin, F. L. 1961. Reef-controlled distribution of Devonian microplankton in Alberta. Palaeontology 4 (3), 392-424. | DETAILS

Taugourdeau, P. 1961. Chitinozoaires du Silurien d'Aquitaine. Revue de Micropaleontologie 4 (3), 135-154. | DETAILS

Taugourdeau, P., de Jekhowsky, B. 1960. Répartition et description des Chitinozoaires Siluro-Dévoniens de quelques sondages de la C.R.E.P.S., de la C.F.P.A. et de la S.N. REPAL au Sahara. Revue Inst. Francais Petrole 15 (9), 1199-1260. | DETAILS

Eisenack, A. 1959. Neotypen baltischer Silur-Chitinozoen und neue Arten. Stuttgart. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 108 (1), 1-20. | DETAILS

Eisenack, A. 1958. Mikrofossilien aus dem Ordovizium des Baltikums. 1. Markasitschicht, Dictyonema-Schiefer, Glaukonitsand, Glaukonitkalk. Frankfurt am Main. Senckenbergiana Lethaea 39 (5/6), 389-405. | DETAILS

Collinson, C., Schwalb, H. 1955. North American Paleozoic Chitinozoa. Illinois State Geological Survey. Report of Investigations 186, 1-33. | DETAILS

Eisenack, A. 1955. Neue Chitinozoen aus dem Silur des Baltikums und dem Devon der Eifel. Senckenbergiana Lethaea 36, 311-319. | DETAILS

Eisenack, A. 1955. Chitinozoen, Hystrichosphären und andere Microfossilien aus dem Beyrichia- Kalk. Senckenbergiana Lethaea 36 (1/2), 157 -188. | DETAILS

Whittington, H. B. 1955. Additional new Ordovician graptolites and a chitinozoan from Oklahoma. Journal of Paleontology 29 (5), 837–851. | DETAILS

Eisenack, A. 1938. Neue Mikrofossilien des baltischen Silurs. IV. Paläontologische Zeitschrift 19 (3-4), 217-243. | DOI | DETAILS

Eisenack, A. 1934. Neue Mikrofossilien des baltischen Silurs. III. und neue Mikrofossilien des böhmischen Silurs. I. Paläontologische Zeitschrift 16 (1-2), 52-76. | DOI | DETAILS

Eisenack, A. 1932. Neue Mikrofossilien des baltischen Silurs, II (Foraminiferen, Hydrozoen, Chitinozoen). Paläontologische Zeitschrift 14 (4), 257-277. | DOI | DETAILS

Eisenack, A. 1931. Neue Mikrofossilien des baltischen Silurs. I. Paläontologische Zeitschrift 13 (1-2), 74-118. | DOI | DETAILS