Genus
Cheirocrinus Eichwald, 1856
Aiheeseen liittyvät julkaisut
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.
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.
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
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
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Luokittelu
Organism group | Biota |
Kingdom | Animalia |
Phylum | Echinodermata |
Subphylum | Blastozoa |
Class | Rhombifera |
Order | Dichoporita |
Superfamily | Glyptocystitoida |
Family | Cheirocrinidae |
Genus | Cheirocrinus |
Species | atavus |
giganteus | |
granulatus | |
holmi | |
hyperboreus | |
interruptus | |
leuchtenbergi | |
nodosus | |
ornatus | |
penniger | |
radiatus | |
volborthi | |
Genus | Homocystites |
Levinneisyys ja viitteet
- Regnéll, 1945 Middle Ordovician