Species

Plectochitina pachyderma (Laufeld, 1974)

Synonymy list

1974 Ancyrochitina pachyderma sp.n. — Laufeld , pp. 45-47, fig. 10

1994 Plectochitina cf. pachyderma (Laufeld) — Nestor , pp. 75, fig. 4:8-10

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

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.

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

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. 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

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

Occurrence in samples (CONOP)

Häädemeeste 172 puurauk : 5 sample(s)

Ikla puurauk : 7 sample(s)

Jaagarahu puurauk : 15 sample(s)

Jaagarahu 699 puurauk : 3 sample(s)

Are 171 puurauk : 16 sample(s)

Aula 691 puurauk : 3 sample(s)

Aizpute 41 puurauk : 2 sample(s)

Baldone 80 puurauk : 4 sample(s)

Elda 870 puurauk : 4 sample(s)

Kotlandi 866 puurauk : 8 sample(s)

Kõrkküla 863 puurauk : 23 sample(s)

Karja-Pärsama 2 puurauk : 1 sample(s)

Kaugatuma 509 puurauk : 88 sample(s)

Kolka 54 puurauk : 44 sample(s)

Kalvarija puurauk : 3 sample(s)

Kipi puurauk : 5 sample(s)

Kirikuküla puurauk : 3 sample(s)

Kingissepa GI puurauk : 6 sample(s)

Kihnu 526 puurauk : 10 sample(s)

Nagli 106 puurauk : 1 sample(s)

Möldri 865 puurauk : 10 sample(s)

Mustjala puurauk : 1 sample(s)

Ohesaare puurauk : 85 sample(s)

Nässuma 825 puurauk : 11 sample(s)

Lõetsa 842 puurauk : 7 sample(s)

Lihula 211 puurauk : 5 sample(s)

Lümanda 980 puurauk : 2 sample(s)

Uulu 345 puurauk : 26 sample(s)

Paatsalu 527 puurauk : 15 sample(s)

Ruhnu 500 puurauk : 28 sample(s)

Riksu 803 puurauk : 30 sample(s)

Schedai 3 puurauk : 2 sample(s)

Pavilosta 51 puurauk : 15 sample(s)

Pulli 2 puurauk : 5 sample(s)

Pulli 1 puurauk : 6 sample(s)

Tõlla 1 puurauk : 2 sample(s)

Varbla 502 puurauk : 13 sample(s)

Sõru 400 puurauk : 1 sample(s)

Staicele 4 puurauk : 19 sample(s)

Tinuri 818 puurauk : 8 sample(s)

Tehumardi 864 puurauk : 8 sample(s)

Viki puurauk : 58 sample(s)

Tori puurauk : 20 sample(s)

Gussev 1 puurauk, Kaliningradi oblast : 3 sample(s)

Pärnu (Livonia) puurauk : 9 sample(s)

Ventspils D-3 puurauk : 5 sample(s)

Viirelaiu puurauk : 19 sample(s)

Nurme puurauk : 3 sample(s)

Grötlingbo 1 puurauk, Gotland : 5 sample(s)

När puurauk, Gotland : 2 sample(s)

Viluvere 324 puurauk : 2 sample(s)

Suigu puurauk : 21 sample(s)

Pärnu-Jaagupi puurauk : 6 sample(s)

Paulani 6 puurauk : 3 sample(s)

Classification

Organism group	Biota
Kingdom	Animalia
Class	Chitinozoa
Order	Prosomatifera
Family	Lagenochitindae
Subfamily	Ancyrochitininae
Genus	Plectochitina
Species	magna
	nodifera
	obuti
	pachyderma
	ralphi
	spongiosa

References based on distribution

Rubel et al., 2007 Viirelaid borehole Jaani Stage
Laufeld, 1974a Ansarve 2, Gotland Wenlock

Occurrence in samples

Paatsalu 527 borehole (46.43 ... 93.4): 16 sample(s)

Viki borehole (98.82 ... 149.14): 11 sample(s)