Selection of related publications
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
Stukalina, G. A. 2000. Silurijskie krinoidei Sibirskoj platformy. Transactions of the Paleontological Institute (PIN) 278, 1-108. Nauka.
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
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.
List of species
2. Ristnacrinus oepiki Ausich, Rozhnov et Kammer, 2015 | Keila Stage
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Classification
Organism group | Biota |
Kingdom | Animalia |
Phylum | Echinodermata |
Subphylum | Pelmatozoa |
Class | Crinoidea |
Superclass | Pentacrinoidea |
Infraclass | Inadunata |
Parvclass | Disparida |
Order | Myelodactylida |
Family | Iocrinidae |
Genus | Baltocrinus |
Caleidocrinus | |
Grammocrinus | |
Iocrinus | |
Ristnacrinus | |
Species | bifidus |
kulunbulakensis | |
marinus | |
oepiki | |
pusillus | |
svedasensis | |
tuberculatus | |
Genus | Shaldichocrinus |
Streptoiocrinus | |
Tartucrinus | |
Teicherticrinus |
See also
References based on distribution
- Donovan, 1984a Osmundsberget Quarry Katian
- Öpik, 1934a Ristna cliff Jõhvi Substage
- Stukalina, 1986 Tõrma 5 borehole Nabala Stage
- Stukalina, 1986 Kiviloo F-282 borehole Nabala Stage
- Ausich et al., 2015b Vasalemma Keila Stage