Publications

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

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

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

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

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

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

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

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

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., 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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., 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., 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

Männik, P. (ed) 1998. Tartu (453) drillcore. Geological Survey of Estonia, Tallinn. Estonian Geological Sections Bulletin 1, 1-48. PDF | 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

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

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

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

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

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

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

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

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

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

Nõlvak, J. 1987. Раквереский горизонт. Набалаский горизонт. Вормсиский горизонт. Пиргуский горизонт [Rakvere Stage. Nabala Stage. Vormis Stage. Pirgu Stage]. Геология и полезные ископаемые Раквереского фосфоритоносного района. Pед: Пуура В. В. [Geology and mineral resources of the Rakvere phosphorite-bearing area]. Valgus, Tallinn. 63-69. | 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

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

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. L., Koren’, T. N., Modzalevskaja, T. L., Nestor H. E., Predtechenski, N. N. Einasto, R. E. 1982. Особенности силурийского осадконакопления и развития сообщест в краевых морях Подолии и Прибалтики [Osobennosti silurijskogo osadkonakopleniâ i razvitiâ soobŝest v kraevyh morâh Podolii i 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. 39-40. | 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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