Order

Dichoporita Jaekel, 1899

Aiheeseen liittyvät julkaisut

Paul, C. R. C., Toom, U. 2021. Cystoblastus and the origin of the Hemicosmitoida (Echinodermata: Blastozoa). Estonian Journal of Earth Sciences 70, 3, 165-181. DOI:10.3176/earth.2021.13

Paul, C. R. C., Rozhnov, S. V. 2016. Revision of Scoliocystis (Rhombifera: Echinoencrinitidae) and related cystoid genera. Paleontological Journal 50, 3, 255-275. DOI:10.1134/S0031030116030059

Paul, C. R. C., Donovan, S. K. 2011. A review of the British Silurian cystoids. Geological Journal 46, 5, 434-450. DOI:10.1002/gj.1287

Zuykov, M. A., Terentiev, S. S., Harper, D. A. T. 2008. New endemic brachiopod and echinoderm genera from the Upper Ordovician of the St. Petersburg region, nortwestern Russia. GFF 130, 2, 87-93. DOI:10.1080/11035890801302087

Bockelie, J. F. 1973. The Presence of Prunocystites (Cystoidea) in Stage 9e of Ringerike, Norway. Norsk Geologisk Tidsskrift 53, 317-321.

Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.

Regnéll, G. 1948. Echinoderms (hydrophoridae, ophiocistia) from the Ordovician (Upper Skiddavian) of the Oslo region. Norsk Geologisk Tidsskrift 27, 14-58.

Regnéll, G. 1945. Non-Crinoid Pelmatozoa from the Paleozoic of Sweden. A taxonomic study. Meddelanden från Lunds Geologisk-Mineralogiska Institution 108, 1-255. Carl Bloms Boktryckeri.

Phleger, F. B. 1935. Some Ordovician cystids from Russia. Bulletin of the Museum of Comparative Zoology. Harvard University Museum of Comparative Zoology LXXVI, 5, 193-201.

Öpik, A. 1925. Beiträge zur Kenntnis der Kukruse-(C2-) Stufe in Eesti. I. Acta et Commentationes Universitatis Tartuensis VIII, 5, 1-18. G. Mattiesen.

Bekker, H. 1921. The Kuckers stage of the Ordovician Rocks in NE Estonia. Acta et Commentationes Universitatis Tartuensis II, 1, 1-92.

Jaekel, O. 1899. Stammesgesihichte der Pelmatozoen. Erster Band. Thecoidea und Cystoidea. pp. 1-441. Verlag von Julius Springer.

Volborth, A. 1870. Über Achradocystites und Cystoblastus, zwei neue Crinoideen-Gattungen, eingeleitet durch kritische Betrachtungen über die Organe der Cystideen. Mémoires de l´Académie Impériale des Sciences de St.-Petersbourg 16, 2, 1-15.

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

Eichwald, E. 1856. Beitrag zur geographischen Verbreitung der fossilen Thiere Russlands. Alte Periode. (Fortsetzung). Bulletin of the Moscow Society of Naturalists. Geological series 29, 1, 88-127.

List of species

1. Cheirocrinus atavus Jaekel, 1899 | Kunda Stage

2. Cheirocrinus giganteus (Leuchtenberg, 1843) | Volkhov Stage→Kunda Stage

3. Cheirocrinus granulatus Jaekel, 1899 | Uhaku Stage→Kukruse Stage

4. Cheirocrinus holmi Regnéll, 1945 | Middle Ordovician

5. Cheirocrinus hyperboreus Regnéll, 1948 | Middle Ordovician

6. Cheirocrinus interruptus Jaekel, 1899 | Ordovician

7. Cheirocrinus leuchtenbergi (Angelin, 1878) | Ordovician

8. Cheirocrinus nodosus Jaekel, 1899 | Ordovician

9. Cheirocrinus ornatus Eichwald, 1860 | Lower Ordovician

10. Cheirocrinus penniger (Eichwald, 1842) | Kunda Stage

11. Cheirocrinus radiatus Jaekel, 1899 | Kunda Stage

12. Cheirocrinus volborthi (Schmidt, 1874) | Kunda Stage→Kukruse Stage

13. Cystoblastus kokeni Jaekel, 1918 | Kukruse Stage

14. Cystoblastus leuchtenbergi Volborth, 1867 | Kunda Stage

15. Echinoencrinites interlaevigatus Jaekel, 1899 | Kunda Stage

16. Echinoencrinites laevigatus Jaekel, 1899 | Volkhov Stage→Kunda Stage

17. Echinoencrinites reticulatus Jaekel, 1899 | Kunda Stage

18. Echinoencrinites senckenbergii Meyer, 1826 | Kunda Stage

19. Echinoencrinites simplicatus Phleger, 1935 | Kunda Stage

20. Echinoencrinites sphaeroidalis Phleger, 1935 | Kunda Stage

Luokittelu

Organism group	Biota
Kingdom	Animalia
Phylum	Echinodermata
Subphylum	Blastozoa
Class	Rhombifera
Order	Dichoporita
Superfamily	Glyptocystitoida
	Caryocystitida
	Hemicosmitida
	Polycosmitida