Order

Ptychopariida Swinnerton, 1915

Selection of related publications

Żylińska, A., Weidner, T., Ahlgren, J., Ahlberg, P. 2015. Exotic trilobites from the uppermost Cambrian Series 3 and lower Furongian of Sweden. Acta Geologica Polonica 65, 1, 21-67. DOI:10.1515/agp-2015-0002

Rasmussen, B. W., Nielsen, A. T., Schovsbo, N. H. 2015. Faunal succession in the upper Cambrian (Furongian) Leptoplastus Superzone at Slemmestad, southern Norway. Norwegian Journal of Geology 95, 1, 1-22. DOI:10.17850/njg95-1-01

Pärnaste, H., Bergström, J., Zhou, Z.-Y. 2013. High-resolution trilobite stratigraphy of the Lower-Middle Ordovician Öland Series of Baltoscandia. Geological Magazine 150, 3, 509–518. DOI:10.1017/S0016756812000908

Pärnaste, H., Bergström, J. 2013. The asaphid trilobite fauna: Its rise and fall in Baltica. Palaeogeography, Palaeoclimatology, Palaeoecology 389, 64-77. DOI:10.1016/j.palaeo.2013.06.007

Bird, C., Clarkson, E. 2003. Observations on the ontogeny of the upper Cambrian trilobite Peltura scarabaeoides westergaardi Henningsmoen, 1957. GFF 125, 4, 177-190. DOI:10.1080/11035890301254177

Månsson, K. 1998. Middle Ordovician olenid trilobites (Triarthrus Green and Porterfieldia Cooper) from Jämtland, central Sweden. pp. 47-62. DOI:10.1017/S0263593300002352

Melnikov, S. A. 1995. New trilobites from the Lower/Middle Ordovician boundary Deposits in Leningrad oblast. Paleontologicheski Zhurnal 4, 131-135.

Balashova, E. A., Korkutis, V. A. 1970. On the first find of the Upper Cambrian trilobite in the Tyskre suite of the Baltic area. Palaeontology and Stratigraphy of the Baltic and the Byelorussia. Number II, pp. 341-344. Mintis.

Männil, Ralf 1963. The biostratigraphic subdivision of the Ordovician strata in Western Latvia. ENSV TA Geoloogia Instituudi Uurimused XIII, 41-74.

Thorslund, P. 1930. Über einige neue Trilobiten aus dem älteren Leptænakalk Dalekarliens. Bulletin of the Geological Institutions of the University of Uppsala 22, 299-303.

Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie. Premier volume. Ancienne Période en deux sections. pp. XIX+1–1657. E. Schweizerbart. DOI:10.5962/bhl.title.52391

List of species

1. Acerocare ecorne Angelin, 1854 | Furongian

2. Acerocare tullbergi Moberg & Möller, 1898 | Furongian

3. Acerocarina granulata (Moberg & Möller, 1898) | Furongian

4. Acerocarina micropygus (Linnarsson, 1875)

5. Andrarina costata (Angelin, 1854) | Cambrian

6. Anomocare laeve (Angelin, 1851)

7. Bienvillia angelini (Linnarsson, 1869) | Tremadocian

8. Bienvillia tetragonalis Henningsmoen, 1957 | Tremadocian

9. Bienvillia wimani (Westergård, 1917) | Tremadocian

10. Boeckaspis hirsuta (Brøgger, 1882) | Tremadocian

11. Boeckaspis mobergi (Wiman, 1903) | Tremadocian

12. Ctenopyge (Ctenopyge) ahlbergi Clarkson, Ahlgren et Taylor, 2004(2003) | Upper Cambrian (old nomenclature)

13. Ctenopyge (Ctenopyge) bisulcata (Phillips, 1848) | Furongian

14. Ctenopyge (Ctenopyge) directa Lake, 1919 | Furongian

15. Ctenopyge (Ctenopyge) fletcheri (Matthew, 1901) | Furongian

16. Ctenopyge (Ctenopyge) gracilis Henningsmoen, 1957 | Upper Cambrian (old nomenclature)

17. Ctenopyge (Ctenopyge) linnarssoni Westergård, 1922 | Furongian

18. Ctenopyge (Ctenopyge) rushtoni Clarkson, Ahlgren et Taylor, 2004(2003) | Upper Cambrian (old nomenclature)

19. Ctenopyge (Mesoctenopyge) tumida Westergård, 1922

20. Ctenopyge ceciliae Clarkson & Ahlberg, 2002 | Furongian

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Trilobita
Order	Asaphida
	Corynexochida
	Lichida
	Olenida
	Phacopida
	Proetida
	Ptychopariida
Suborder	Harpina
	Olenina
	Ptychopariina
Superfamily	Acrocephalitidae
	Ellipsocephaloidea
Family	Alokistocaridae
	Andrarinidae
	Anomocariidae
	Solenopleuridae
Genus	Pogrebovites
Order	Redlichiida
Family	Changshaniidae
	Kingstoniidae