Genus
Vialovicystis Hynda, 1984
Aiheeseen liittyvät julkaisut
Ginda, V. A. 1984. Columns of new Ordovician crinoids of the south-western margin of the East-European platform. Paleontologicheskii sbornik 21, 58-63.
List of species
1. Vialovicystis gradatus Hynda, 1984 | Kunda Stage
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Pelmatozoa |
| Class | Crinoidea |
| Organism group | Stemmed echinoderms outgroup (informal) |
| Order | Angulata (col.) |
| Family | Crenatocrininidae |
| Cyclomischidae | |
| Cyclopagodidae | |
| Genus | Acanthodocrinus |
| Constrictocrinus | |
| Cyclocyclicus | |
| Irucrinus (col.) | |
| Pentagonocyclicus | |
| Rookuelacrinus | |
| Rugulosocrinus | |
| Trigonocyclicus | |
| Vialovicystis | |
| Species | gradatus |