Class

Eocrinoidea Jaekel, 1918

https://files.geocollections.info/large/4f/5d/4f5d535c-7b0b-4f3e-be6d-a2a9c88ebfad.jpg

https://files.geocollections.info/large/64/d4/64d46cd6-77cd-470c-bb6d-e4ee3bb22e25.jpg

https://files.geocollections.info/large/3d/3c/3d3c177a-65f8-4430-8ca4-ad1cbf5b98cf.jpg

https://files.geocollections.info/large/3a/2d/3a2df7bf-7bca-4f47-aa65-9fab630d042a.jpg

https://files.geocollections.info/large/58/18/581888c6-29c1-4524-95bd-fcd97577936a.jpg

https://files.geocollections.info/large/28/dc/28dc220f-fb22-4870-a993-b91072b84530.jpg

https://files.geocollections.info/large/c9/ea/c9eacba1-6884-4fe7-a56e-814c5ba52dd1.jpg

https://files.geocollections.info/large/fb/9c/fb9ca81e-90b0-4a40-b61e-540ee3ff5f11.jpg

https://files.geocollections.info/large/04/00/0400af41-9482-46e6-a740-f7c8f7680044.jpg

https://files.geocollections.info/large/7e/a2/7ea2ead0-8f86-4e7c-8e3d-b7d6c7127a7b.jpg

Selection of related publications

Rozhnov, S. V., Fedorov, P. V. 2001. A New Cryptocrinid Genus (Eocrinoidea, Echinodermata) from the Bioherm-related Volkhov Facies (Late Arenigian, Ordovician), Leningrad Region. Paleontologicheski Zhurnal 35, 6, 606-613.

Rozhnov, S. V. 1997. Unusual Eocrinoid (?) (Echinodermata) from Volkhov Horizon (Early Ordovician, Arenig) of St-Petersburg Region. Paleontologicheski Zhurnal 1, 59-64.

Rozhnov, S. V., Kushlina, V. B. 1994. New interpretation of bolboporids (Echinodermata, ?Eocrinoidea). Paleontological Journal 28, 2, 71–80.

Rozhnov, S. V. 1991. A new eocrinoid order from Lower Ordovician. Paleontologicheski Zhurnal 2, 34-44.

Rozhnov, S. V. 1989. New data about rhipidocystids (Eocrinoidea).Fossil and Recent Echinoderm researches , pp. 38-57. Academy of Sciences of the Estonian SSR Institute of Geology.

Kõrts, A. 1989. Brachiolar plates of Bockia (Eocrinoidea) from the Middle Ordovician of Estonia and Leningrad Region.Fossil and Recent Echinoderm researches , pp. 34-37. Academy of Sciences of the Estonian SSR Institute of Geology.

Bockelie, J. F. 1981. Morphology, growth and taxonomy of the Ordovician rhombiferan Caryocystites. GFF 103, 4, 499-513. DOI:10.1080/11035898209453727

Bockelie, J. F. 1981. The Middle Ordovician of the Oslo Region, Norway: 30. The eocrinoid genera Cryptocrinites, Rhipidocystis and Bockia. Norsk Geologisk Tidsskrift 61, 2, 123-147.

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

Yeltyscheva, R. S. (Yeltyschewa, R. S.) 1964. Stebli ordovikskih morskih lilij Pribaltiki (nižnij ordovik). Voprosy paleontologii IV, 59-82. Izdatel'stvo Leningradskogo Universiteta.

Hecker, R. F. 1940. Nižnesilurijskie i devonskie iglokožie. Carpoidea, Eocrinoidea i Ophiocistia nižnego silura Leningradskoj oblasti i Èstonii. Transactions of the Paleontological Institute (PIN) 9, 4, 5-82.

Hecker, R. F. 1938. New data on Rhipidocystis Jkl (Oder Digitata n. o., class Carpoidea Jkl) and on a new Genus Bockia (subclass Eocrinoidea Jkl, class Crinoidea Mill.) from the Ordovician of Leningrad province, USSR, and Estonia. Doklady Akademii Nauk SSSR 19, 5, 421-425.

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.

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

Jaekel, O. 1900. Ueber einen neuen Pentacrinoideen-Typus aus dem Obersilur. Zeitschrift der Deutschen Geologischen Gesellschaft 52, 3, 480-487.

Eichwald, E. 1861. Paleontologiâ Rossii. Drevnij period. II. Fauna grauvakkovoj, gornoizvestkovoj i medistoslancevatoj formacij Rossii. pp. 1-521. R. Golike (former Ya. Ionsona).

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.

Pander, C. H. 1830. Beiträge zur Geognosie des Russischen Reiches. pp. 1-165. Karl Kray.

List of species

1. Bolboporites (Ambliporites) lamanskii Kushlina, 1995 | Kunda Stage

2. Bolboporites (Ambliporites) regnelli Kushlina, 1995 | Aseri Stage→Uhaku Stage

3. Bolboporites (Ambliporites) semiglobosus Pander, 1830 | Volkhov Stage→Kunda Stage

4. Bolboporites (Ambliporites) triangularis Pander, 1830 | Volkhov Stage→Kunda Stage

5. Bolboporites (Bolboporites) elongatus Kushlina, 1995 | Volkhov Stage

6. Bolboporites (Bolboporites) fungiformis Kushlina, 1998 | Kunda Stage→Aseri Stage

7. Bolboporites (Bolboporites) mitralis Pander, 1830 | Volkhov Stage→Kunda Stage

8. Bolboporites (Bolboporites) uncinatus Pander, 1830 | Volkhov Stage→Kunda Stage

9. Bolboporites (Bolboporites) yeltishevae Kushlina, 1995 | Volkhov Stage

10. Bolboporites (Stelloporites) stellifer Eichwald, 1860 | Aseri Stage

11. Cryptocrinites laevis (Pander, 1830) | Aseri Stage→Uhaku Stage

12. Cryptocrinites? similis Bockelie, 1981 | Lower Ordovician

13. Gadovocrinus ovalis Rozhnov, 1997 | Volkhov Stage

14. Heckerocrinus cucumis (Hecker, 1938) | Idavere Substage

15. Heckerocrinus grava (Bockelie, 1981) | Ordovician

16. Heckerocrinus heintzi (Bockelie, 1981) | Darriwilian

17. Heckerocrinus laevis (Hecker, 1938) | Kukruse Stage→Idavere Substage

18. Heckerocrinus mirabilis (Bockelie, 1981) | Lower Ordovician

19. Heckerocrinus neglecta (Hecker, 1938) | Volkhov Stage→Uhaku Stage

20. Heckerocrinus skulptus (Hecker, 1938) | Kunda Stage→Aseri Stage

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Echinodermata
Subphylum	Blastozoa
Class	Coronoidea
	Diploporita
	Eocrinoidea
Order	Digitata
	Simonkovicrinida
	Trachelocrinida
Family	Bolboporitidae
	Cryptocrinitidae
Genus	Gadovocrinus
	Polyptychella
Class	Rhombifera