Species
Ristnacrinus svedasensis Hynda et Saladzhyus 1988
Tyyppilajitiedot
Synonyymit
1988 Ristnacrinus sp. (sp.nov.) Stukalina, 1986 — Stukalina , fig. 1:13-16
2000 Ristnacrinus svedasensis Hynda et Saladzhins 1988 — Stukalina , fig. V 18-21
Aiheeseen liittyvät julkaisut
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.
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Luokittelu
| 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 |
Levinneisyys ja viitteet
- Stukalina, 1986 Tõrma 5 borehole Nabala Stage
- Stukalina, 1986 Kiviloo F-282 borehole Nabala Stage