Species
Ristnacrinus marinus Öpik, 1934
Type specimen data
Synonymy list
1934 Ristnacrinus marinus n. gen.& n. sp. — Öpik , pp. 4, fig. I,II, text fig. 1
1975 Ristnacrinus marinus Öpik, 1934 — Yeltyschewa , pp. 126, fig. 1:1
1986 Ristnacrinus marinus Öpik, 1934 — Hynda , pp. 93, fig. XV 1.2
1988 Ristnacrinus marinus Öpik, 1934 — Stukalina , fig. 14:1-3
2000 Ristnacrinus marinus Öpik, 1934 — Stukalina , fig. II, III 1-6
Selection of related publications
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.
Öpik, A. 1934. Ristnacrinus, a new Ordovician crinoid from Estonia. Tartu Ülikooli Geoloogia Instituudi Toimetused 40, 1-7.
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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 | Ristnacrinus |
Species | bifidus |
kulunbulakensis | |
marinus | |
oepiki | |
pusillus | |
svedasensis | |
tuberculatus |
References based on distribution
- Öpik, 1934a Ristna cliff Jõhvi Substage