Order

Myelodactylida Ausich, 1998

Selection of related publications

Rozhnov, S. V. 2021. Two Coils in the Morphology of Myelodactylids (Crinoidea, Disparida): the Morphogenetic Basis of Their Formation and Adaptation Potential. Paleontological Journal 55, 9, 993-1012. DOI:10.1134/S0031030121090124

Ausich, W. I., Wilson, M. A., Tinn, O. 2020. Kalana Lagerstätte crinoids: Early Silurian (Llandovery) of central Estonia. Journal of Paleontology 94, 1, 131-144. DOI:10.1017/jpa.2019.27

Ausich, W. I., Rozhnov, S. V., Kammer, T. W. 2015. Iocrinid Crinoids from the Ordovician of the Baltic Region, Estonia. Paleontological Journal 49, 2, 145-152. DOI:10.1134/S0031030115020069

Ausich, W. I., Wilson, M. A., Vinn, O. 2012. Crinoids from the Silurian of Western Estonia. Acta Palaeontologica Polonica 57, 3, 613-631. DOI:10.4202/app.2010.0094

Stukalina, G. A. 2000. Silurijskie krinoidei Sibirskoj platformy. Transactions of the Paleontological Institute (PIN) 278, 1-108. Nauka.

Donovan, S. K., Franzén-Bengtson, C. 1988. Myelodactylid crinoid columnals from the Lower Visby Beds (Llandoverian) of Gotland. GFF 110, 1, 69-79. DOI:10.1080/11035898809453122

Rozhnov, S. V. 1988. Morfologiâ i sistematičeskoe položenie nižneordovikskih morskih lilij. Paleontologicheski Zhurnal 2, 67-79.

Stukalina, G. A. 1988. Studies in Paleozoic crinoid-columnals and -stems. Palaeontographica 204, 1-66.

Stukalina, G. A. 1986. Zakonomernosti istoričeskogo razvitiâ krinoidej v rannem i srednem paleozoe SSSR. pp. 1-144. Nauka.

Donovan, S. K. 1984. Ristnacrinus and the earliest myelodactylid from the Ashgillian Boda Limestone of Sweden. GFF 106, 4, 347-356. DOI:10.1080/11035898509454663

Franzén, C. 1979. Echinoderms. Sveriges Geologiska Undersökning 73, 3, 216-224.

Stukalina, G. A. 1979. A new family of Ordovician crinoids. Paleontologicheski Zhurnal 4, 89-95.

Yeltyscheva, R. S. 1979. Stebli paleozojskih morskih lilij Pribaltiki (verhni ordovik). Voprosy paleontologii VIII, 94-106. Izdatel'stvo Leningradskogo Universiteta.

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

Yeltyscheva, R. S. 1966. Stebli ordovikskih morskih lilij Pribaltiki (srednij ordovik). Voprosy paleontologii V, 53-70. Izdatel'stvo Leningradskogo Universiteta.

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

Yakovlev, N. N. 1956. K peresmotru harakteristiki roda Ristnacrinus Öpik. Ežegodnik Vsesoûznogo Paleontologičeskogo Obŝestva XV, 155-157.

Öpik, A. 1934. Ristnacrinus, a new Ordovician crinoid from Estonia. Tartu Ülikooli Geoloogia Instituudi Toimetused 40, 1-7.

Teichert, C. 1928. Stratigraphische und paläontologische Untersuchungen im unteren Gotlandium (Tamsal-Stufe) des westlichen Estland und der Insel Dagö. Neues Jahrbuch für Mineralogie, Geologie und Paläontologie. Monatshefte: Abt. B. Geologie, Paläontologie 60, 1-112.

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. 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. Baltocrinus antiquus (Eichwald, 1860) | Lasnamägi Stage→Oandu Stage

2. Baltocrinus balticus (Yeltyschewa, 1964) | Kunda Stage

3. Baltocrinus decorus (Kutorga, 1846) | Middle Ordovician

4. Baltocrinus hrevicaensis (Yeltyschewa, 1966) | Jõhvi Substage

5. Baltocrinus lobatus (Eichwald, 1856) | Uhaku Stage→Jõhvi Substage

6. Baltocrinus quttaeformis (Yeltyschewa, 1966) | Jõhvi Substage

7. Baltocrinus rostovensis Stukalina, 1988 | Kukruse Stage

8. Baltocrinus serratus (Yeltyschewa, 1966) | Uhaku Stage

9. Grammocrinus lineatus (Eichwald, 1856) | Volkhov Stage→Kunda Stage

10. Grammocrinus tuberculatus Yeltyschewa, 1964 | Volkhov Stage

11. Herpetocrinus flabellicrinus Bather, 1893 | Llandovery

12. Herpetocrinus fletcheri Salter, 1873 | Llandovery

13. Iocrinus comptus (Yeltyschewa, 1960) | Upper Ordovician

14. Iocrinus mjannili Yeltyschewa, 1979 | Vormsi Stage

15. Iocrinus vostokovae Yeltyschewa, 1979 | Vormsi Stage

16. Musicrinus bodae Donovan, 1984 | Katian

17. Myelodactylus ammonis (Bather, 1893) | Llandovery

18. Myelodactylus convolutus Hall, 1852 | Llandovery

19. Ristnacrinus marinus Öpik, 1934 | Uhaku Stage→Keila Stage

20. Ristnacrinus oepiki Ausich, Rozhnov et Kammer, 2015 | Keila Stage

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Echinodermata
Subphylum	Pelmatozoa
Class	Crinoidea
Superclass	Pentacrinoidea
Infraclass	Inadunata
Parvclass	Disparida
Order	Calceocrinida
	Eustenocrinida
	Maennilicrinida
	Myelodactylida
Family	Iocrinidae
	Myelodactylidae
Order	Pisocrinida
	Tetragonocrinidae
Family	Homocrinidae
	Perittocrinidae