Publications

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Eisenack, A. 1932. Neue Mikrofossilien des baltischen Silurs, II (Foraminiferen, Hydrozoen, Chitinozoen). Paläontologische Zeitschrift 14 (4), 257-277. | 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. 1938. Neue Mikrofossilien des baltischen Silurs. IV. Paläontologische Zeitschrift 19 (3-4), 217-243. | DOI | DETAILS

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

Eisenack, A. 1955. Neue Chitinozoen aus dem Silur des Baltikums und dem Devon der Eifel. Senckenbergiana Lethaea 36, 311-319. | 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. 1959. Neotypen baltischer Silur-Chitinozoen und neue Arten. Stuttgart. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 108 (1), 1-20. | DETAILS

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

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

Eisenack, A. 1964. Mikrofossilien aus dem Silur Gotlands. Chitinozoen. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 120 (3), 308-342. | 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. 1968. Microfossilien eines Geschiebes der Borkholmer Stufe, baltisches Ordovizium, F2. Mitt. Geol. Staatinst. Hamburg 37, 81-94. | DETAILS

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Grahn, Y. 1995. Lower Silurian Chitinozoa and biostratigraphy of subsurface Gotland. GFF 117 (1), 57-65. | 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. 1998. Lower Silurian (Llandovery-Middle Wenlock) Chitinozoa and biostratigraphy of the mainland of Sweden. 120 (3), 273-283. | 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., 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

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

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

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

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

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

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

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

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