Genus
Cyclocystoides Salter et Billings, 1858
Aiheeseen liittyvät julkaisut
Männil, Ralf 1987. Explanatory notes to the stratigraphical chemes of the Ordovician deposits. Resolutions of the interdepartmental stratigraphical conference on the East European Platform in 1984, with regional stratigraphical schemes, pp. 17-57.
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Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Class | Cyclocystoidea |
| Family | Cyclocystoididae |
| Genus | Cyclocystoides |
| Monocycloides | |
| Polytryphocycloides | |
| Scotiadiscus |
Levinneisyys ja viitteet
- Männil, Ralf, 1987a Volkhov Stage