Genus

Ancyrochitina Eisenack, 1955

Selection of related publications
Männik, R. 2024. Siluri ajastu Lau sündmuse mõju mikrofossiilidele Bebirva 111 puuraugus Leedus [Bakalaureusetöö. Juhendajad: O. Hints ja T. Meidla]. pp. 1-54.
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
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
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
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
Nestor, V. 2007. Chitinozoans in the Wenlock-Ludlow boundary beds of the East Baltic. Estonian Journal of Earth Sciences 56, 2, 109-128.
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. DOI:10.3176/GEOL.2006.2.04
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
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., 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. DOI:10.3176/geol.2002.4.02
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. DOI:10.3176/geol.2002.2.01
Nestor, V. 1999. Distribution of chitinozoans in the Llandovery of the Oslo region. Bollettino della Società Paleontologica Italiana 38, 2-3, 227-238.
Nestor, V. 1994. Early Silurian chitinozoans of Estonia and North Latvia. pp. 1-163. Estonian Academy Publishers.
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. DOI:10.3176/geol.1993.4.04
Smelror, M. 1991. Palynomorphs from the Cyrtograptus centrifugus graptolite zone (Early Wenlock, Silurian), Bornholm. Bulletin of the Geological Society of Denmark 39, 2, 83-89. DOI:10.37570/bgsd-1991-39-02
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. DOI:10.3176/geol.1991.3.02
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. 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:10.1016/0034-6667(84)90030-7
Nestor, V. 1982. Chitinozoan zonal assemblages (Wenlock, Estonia). Silurian assemblages and biozones in the East Baltic region, pp. 84-96. Valgus.
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
Wrona, R. 1980. Upper Silurian - Lower Devonian Chitinozoa from the subsurface of southeastern Poland. Palaeontologia Polonica 41, 103-165.
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
Laufeld, S. 1974. Silurian Chitinozoa from Gotland. Fossils and Strata 5, 1-130.
List of species
1. Ancyrochitina ancyrea (Eisenack, 1931) | Pirgu StageJaagarahu Stage
2. Ancyrochitina ansarviensis Laufeld, 1974 | Adavere StageJaani Stage
3. Ancyrochitina bifurcaspina Nestor, 1994 | Juuru StageRaikküla Stage
5. Ancyrochitina brevispinosa Eisenack, 1968 | Paadla StageKuressaare Stage
6. Ancyrochitina clathrospinosa Eisenack, 1968 | Jaani StageJaagarahu Stage
8. Ancyrochitina diabolus (Eisenack, 1937) | Paadla StageKuressaare Stage
12. Ancyrochitina gutnica Laufeld, 1974 | Jaagarahu StagePaadla Stage
16. Ancyrochitina paulaspina Nestor, 1994 | Jaani StageJaagarahu Stage
17. Ancyrochitina pedavis Laufeld, 1974 | Kuressaare StageKaugatuma Stage
19. Ancyrochitina porrectaspina Nestor, 1994 | Adavere StageJaani Stage
20. Ancyrochitina primitiva Eisenack, 1964 | Adavere StageKaugatuma Stage