Subfamily

Pterochitininae Paris, 1981

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, 1938) | 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. Cingulochitina wronai Paris et Křiž, 1984 | Rootsiküla Stage→Kuressaare Stage

11. Pterochitina makroptera Eisenack, 1959 | Jaani Stage

12. Pterochitina perivelata (Eisenack, 1938) | Kuressaare Stage→Kaugatuma Stage

13. 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