Selection of related publications
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:10.1016/j.palaeo.2023.111640
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. DOI:10.3176/earth.2022.03
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. DOI:10.1130/G47865.1
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:10.1016/j.palaeo.2019.04.002
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:10.1139/cjes-2015-0205
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. DOI:10.3176/earth.2015.28
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:10.1080/11035897.2015.1042032
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:10.1080/11035897.2013.857715
Nestor, V. 2011. Chitinozoan biostratigraphy of the Přidoli Series of the East Baltic. Estonian Journal of Earth Sciences 60, 4, 191-206. DOI:10.3176/earth.2011.4.01
Nõlvak, J. 2010. Distribution of Ordovician chitinozoans. Estonian Geological Sections Bulletin 10, 17-18.
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. DOI:10.3176/earth.2010.1.02
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:10.1017/S0016756809990574
Grahn, Y., Nõlvak, J. 2010. Swedish Ordovician Chitinozoa and biostratigraphy: a review and new data. Palaeontographica 283, 1-3, 5-71. DOI:10.1127/palb/283/2010/5
Nestor, V. 2009. Biostratigraphy of the Ludlow chitinozoans from East Baltic drill cores. Estonian Journal of Earth Sciences 58, 3, 170-184. DOI:10.3176/earth.2009.3.02
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. DOI:10.3176/earth.2008.4.01
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. DOI:10.3176/earth.2007.01
Goldman, D., Leslie, S. A., Nõlvak, J., Young, S. 2007. The Black Knob Ridge section, southeastern Oklahoma, USA: The global stratotype-section and point (GSSP) for the base of Katian Stage of the Upper Ordovician series. Acta Palaeontologica Sinica 46, Suppl, 144-154.
Nestor, V. 2007. Chitinozoans in the Wenlock-Ludlow boundary beds of the East Baltic. Estonian Journal of Earth Sciences 56, 2, 109-128.
Nõlvak, J., Bauert, G. 2006. Distribution of Ordovician chitinozoans. Estonian Geological Sections Bulletin 7, 9-11. Geological Survey of Estonia.
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. DOI:10.3176/geol.2005.2.02
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:10.1017/S0016756805000531
Märss, T. 2003. Distribution of Silurian agnathans and fish microremains. Estonian Geological Sections Bulletin 5, 14-15. Geological Survey of Estonia.
Nõlvak, J. 2003. Distribution of Ordovician chitinozoans. Estonian Geological Sections Bulletin 5, 23-25. Geological Survey of Estonia.
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:10.1017/S0016756802007264
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:10.17741/bgsf/67.2.001
Nestor, V. 1994. Early Silurian chitinozoans of Estonia and North Latvia. pp. 1-163. Estonian Academy Publishers.
Nõlvak, J., Grahn, Y. 1993. Ordovician chitinozoan zones from Baltoscandia. Review of Palaeobotany and Palynology 79, 245-269. DOI:10.1016/0034-6667(93)90025-P
Nestor, V. 1990. Silurian chitinozoans.Field Meeting Estonia 1990. An Excursion Guidebook , pp. 80-83. Estonian Academy of Sciences.
Nõlvak, J. 1990. Ordovician chitinozoans.Field Meeting Estonia 1990. An Excursion Guidebook , pp. 77-79. Estonian Academy of Sciences.
Grahn, Y. 1984. Ordovician chitinozoa from Tallinn, northern Estonia. Review of Palaeobotany and Palynology 43, 1-3, 5-31. DOI:10.1016/0034-6667(84)90025-3
Nestor, V. 1980. 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. DOI:10.3176/geol.1980.3.02
Nõlvak, J. 1980. Chitinozoans in biostratigraphy of the northern East Baltic Ashgillian. A preliminary report. Acta Palaeontologica Polonica 25, 2, 253-260.
List of species
6. Belonechitina gamachiana (Achab, 1978) | Porkuni Stage
8. Belonechitina hirsuta (Laufeld, 1967) | Haljala Stage
9. Belonechitina intonsa Nõlvak et Bauert, 2015 | Kukruse Stage
10. Belonechitina jaanussonii Grahn et Nõlvak, 2010 | Haljala Stage
11. Belonechitina latifrons (Eisenack, 1964) | Paadla Stage
17. Belonechitina postrobusta (Nestor, 1980) | Juuru Stage
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Classification
References based on distribution
- Tammekänd et al., 2010 Uuga Cliff 1, Parki peninsula Aseri Stage
- Grahn, 1984 Suhkrumägi outcrop Kunda Stage
- Grahn, 1984 Lasnamäe (Laagna) roadcut Uhaku Stage
- Nestor, V., 2009a Ohesaare borehole Paadla Stage
- Nestor, V., 2009a Pavilosta 51 borehole Paadla Stage
- Nestor, V., 2009a Pavilosta 51 borehole Paadla Stage
- Nestor, V., 1994a Ohesaare borehole Juuru Stage
- Nestor, V., 1994a Ikla borehole Juuru Stage
- Rubel et al., 2007 Viirelaid borehole Adavere Stage
- Rubel et al., 2007 Viirelaid borehole Adavere Stage
- Loydell et al., 2003 Aizpute 41 borehole Juuru Stage
- Loydell et al., 2010 Kolka 54 borehole Adavere Stage
- Nõlvak & Bauert, G., 2006 Kerguta 565 borehole Uhaku Stage
- Nõlvak & Bauert, G., 2006 Kerguta 565 borehole Uhaku Stage
- Nõlvak & Bauert, G., 2006 Kerguta 565 borehole Lasnamägi Stage
- Nõlvak, 2003 Ruhnu 500 borehole Haljala Stage
- Nõlvak & Bauert, G., 2006 Kerguta 565 borehole Haljala Stage
- Nõlvak, 2003 Ruhnu 500 borehole Rakvere Stage
- Nõlvak, 2003 Ruhnu 500 borehole Oandu Stage
- Nõlvak, 2003 Ruhnu 500 borehole Nabala Stage
- Nõlvak, 2003 Ruhnu 500 borehole Lasnamägi Stage
- Märss, 2003b Ruhnu 500 borehole Kuressaare Stage
- Nõlvak, 2010a Viki borehole Lasnamägi Stage
- Nõlvak, 2010a Viki borehole Haljala Stage
- Nõlvak, 2010a Viki borehole Haljala Stage
- Kaljo et al., 2008 Kaugatuma 509 borehole Porkuni Stage
- Laufeld, 1974a Grogarnshuvud, Gotland Ludlow
- Märss, 2003b Ruhnu 500 borehole Jaagarahu Stage
- Nõlvak & Bauert, G., 2015 Kerguta 565 borehole 157.1 - 159.1 Kukruse Stage
- Nestor, V., 2005 Viki borehole 144 - 172 Adavere Stage
- Märss, 2003b Kaugatuma 509 borehole 240.05 - 270.1 Adavere Stage
- Nestor, V., 2005 Ruhnu 500 borehole 486.2 - 487.7 Adavere Stage
- Nestor, V., 2005 Nagli 106 borehole 612 - 642 Adavere Stage
- Nestor, V., 2005 Aizpute 41 borehole 926 - 961 Adavere Stage
- Nestor, V., 2005 Ventspils D-3 borehole 798 - 842.8 Adavere Stage
- Nestor, V., 1990 Kuressaare Stage
- Laufeld, 1974a Digrans 1, Gotland Ludlow
- Laufeld, 1974a Munkebos 1, Gotland Wenlock
- Nestor, V., 1990 Ohesaare borehole Paadla Stage
- Laufeld, 1974a Gogs (trench in the fieldl), Gotland Ludlow