Species
Ristnacrinus oepiki Ausich, Rozhnov et Kammer, 2015
Synonyymit
2015 Ristnacrinus oepiki Ausich, Rozhnov et Kammer, sp. nov. — Ausich et al. , pp. 148, fig. 7:1-7
Aiheeseen liittyvät julkaisut
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
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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
- Ausich et al., 2015b Vasalemma Keila Stage