Subfamily
Spinachitininae Paris, 1981
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. 2023. Latest Ordovician age of the Spinachitina fragilis Chitinozoan Biozone in Baltoscandia. Estonian Journal of Earth Sciences 72, 1, 82-85. DOI:10.3176/earth.2023.51
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
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
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.
Nõlvak, J., Bauert, G. 2006. Distribution of Ordovician chitinozoans. Estonian Geological Sections Bulletin 7, 9-11. 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
Nestor, V. 1999. Distribution of chitinozoans in the Llandovery of the Oslo region. Bollettino della Società Paleontologica Italiana 38, 2-3, 227-238.
Grahn, Y., Nõlvak, J., Paris, F. 1996. Precise chitinozoan dating of Ordovician impact events in Baltoscandia. Journal of Micropalaeontology 15, 21-35.
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
Nõlvak, J. 1990. Ordovician chitinozoans. Field Meeting Estonia 1990. An Excursion Guidebook, pp. 77-79. Estonian Academy of Sciences.
Nestor, V. 1990. Silurian chitinozoans. Field Meeting Estonia 1990. An Excursion Guidebook, pp. 80-83. Estonian Academy of Sciences.
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
Nestor, V. 1980. Middle Llandoverian Chitinozoans from Estonia. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 29, 4, 136-142. DOI:10.3176/geol.1980.4.03
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
4. Spinachitina fragilis (Nestor, 1980) | Juuru Stage
5. Spinachitina harringtoni Grahn, Pereira et Bergamaschi, 2000 | Juuru Stage
6. Spinachitina maennili (Nestor, 1980) | Raikküla Stage
10. Spinachitina tvaerensis Grahn, Nõlvak et Paris, 1996 | Kukruse Stage
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Class | Chitinozoa |
| Order | Prosomatifera |
| Family | Conochitinidae |
| Subfamily | Belonechitininae |
| Conochitininae | |
| Eremochitininae | |
| Pogonochitininae | |
| Spinachitininae | |
| Genus | Spinachitina |
| Subfamily | Tanuchitininae |
| Velatachitininae |