Subfamily

Ancyrochitininae Paris, 1981

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Selection of related publications

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

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

Nestor, V. 2007. Chitinozoans in the Wenlock-Ludlow boundary beds of the East Baltic. Estonian Journal of Earth Sciences 56, 2, 109-128.

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.

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, 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., 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, V. 1999. Distribution of chitinozoans in the Llandovery of the Oslo region. Bollettino della Società Paleontologica Italiana 38, 2-3, 227-238.

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. DOI:10.3176/geol.1998.4.01

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

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.

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. 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. DOI:10.3176/geol.1982.4.04

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

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 Stage→Jaagarahu Stage

2. Ancyrochitina ansarviensis Laufeld, 1974 | Adavere Stage→Jaani Stage

3. Ancyrochitina bifurcaspina Nestor, 1994 | Juuru Stage→Raikküla Stage

4. Ancyrochitina bornholmensis Vandenbroucke et Nõlvak, 2013 | Oandu Stage

5. Ancyrochitina brevispinosa Eisenack, 1968 | Paadla Stage→Kuressaare Stage

6. Ancyrochitina clathrospinosa Eisenack, 1968 | Jaani Stage→Jaagarahu Stage

7. Ancyrochitina convexa Nestor, 1980 | Raikküla Stage

8. Ancyrochitina diabolus (Eisenack, 1937) | Paadla Stage→Kuressaare Stage

9. Ancyrochitina digitata Mullins et Aldridge, 2004 | Jaani Stage

10. Ancyrochitina fragilis Eisenack, 1955 | Kaugatuma Stage

11. Ancyrochitina gogginensis Sutherland, 1994 | Paadla Stage

12. Ancyrochitina gutnica Laufeld, 1974 | Jaagarahu Stage→Paadla Stage

13. Ancyrochitina laevaensis Nestor, 1980 | Juuru Stage

14. Ancyrochitina longispina Achab, 1978 | Llandovery

15. Ancyrochitina mullinsi Nestor, 2005 | Adavere Stage

16. Ancyrochitina paulaspina Nestor, 1994 | Jaani Stage→Jaagarahu Stage

17. Ancyrochitina pedavis Laufeld, 1974 | Kuressaare Stage→Kaugatuma Stage

18. Ancyrochitina plurispinosa Nestor, 1994 | Jaagarahu Stage

19. Ancyrochitina porrectaspina Nestor, 1994 | Adavere Stage→Jaani Stage

20. Ancyrochitina primitiva Eisenack, 1964 | Adavere Stage→Kaugatuma Stage

Classification

Organism group	Biota
Kingdom	Animalia
Class	Chitinozoa
Order	Prosomatifera
Family	Lagenochitindae
Subfamily	Ancyrochitininae
Genus	Ancyrochitina
	Clathrochitina
	Plectochitina
Subfamily	Angochitininae
	Cyathochitininae
	Lagenochitininae
	Pellichitininae
Genus	Vitreachitina