Subfamily

Pterochitininae Paris, 1981

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Selection of related publications

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

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

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

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.

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

Nõlvak, J. 2003. Distribution of Ordovician chitinozoans. Estonian Geological Sections Bulletin 5, 23-25. Geological Survey of Estonia.

Modliński, Z., Nõlvak, J., Szymanski, B. 2002. Chitinozoan biozonation of the Ordovician succession in the borehole Proniewicze IG 1 (NE Poland). Przegląd Geologiczny 50, 1, 67-74.

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. 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. 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.

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. 1982. Chitinozoan zonal assemblages (Wenlock, Estonia).Silurian assemblages and biozones in the East Baltic region , pp. 84-96. Valgus.

Laufeld, S. 1974. Silurian Chitinozoa from Gotland. Fossils and Strata 5, 1-130.

List of species

1. Armoricochitina granulifera Nõlvak et Grahn, 1993 | Haljala Stage

2. Armoricochitina reticulifera (Grahn, 1981) | Nabala Stage

3. Cingulochitina baltica Nestor, 1994 | Jaagarahu Stage→Paadla Stage

4. Cingulochitina bouniensis Verniers, 1999 | Jaani Stage

5. Cingulochitina cingulata (Eisenack, 1937) | Jaagarahu Stage→Rootsiküla Stage

6. Cingulochitina convexa (Laufeld, 1974) | Rootsiküla Stage→Kuressaare Stage

7. Cingulochitina crassa Nestor, 1994 | Jaagarahu Stage→Rootsiküla Stage

8. Cingulochitina gorstyensis Sutherland, 1974 | Rootsiküla Stage→Kuressaare Stage

9. Cingulochitina hedei Laufeld, 1974 | Kuressaare Stage→Kaugatuma Stage

10. Pterochitina macroptera Eisenack, 1959 | Jaani Stage

11. Pterochitina perivelata (Eisenack, 1937) | Kuressaare Stage→Kaugatuma Stage

12. Pterochitina retracta Eisenack, 1955 | Lasnamägi Stage→Uhaku Stage

Classification

Organism group	Biota
Kingdom	Animalia
Class	Chitinozoa
Order	Operculatifera
Family	Desmochitinidae
Subfamily	Desmochitininae
	Eisenackitininae
	Margachitininae
	Orbichitininae
	Pterochitininae
Genus	Armoricochitina
	Cingulochitina
	Halochitina
	Pterochitina
	Densichitina
	Nanochitina