Class

Cystoidea Buch, 1846

cystoids

Selection of related publications

Stukalina, G. A. 1988. Studies in Paleozoic crinoid-columnals and -stems. Palaeontographica 204, 1-66.

Stukalina, G., Hints, L. 1987. Columnals of echinoderms with condylial articulation ( the Ordovician of the Baltic area). Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 36, 3, 104-112. DOI:10.3176/geol.1987.3.02

Stukalina, G. A. 1986. Zakonomernosti istoričeskogo razvitiâ krinoidej v rannem i srednem paleozoe SSSR. pp. 1-144. Nauka.

Stukalina, G., Hints, L. 1979. New finds of Echinoderms in the Upper Viruan deposits of North Estonia. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 28, 1, 1-10. DOI:10.3176/geol.1979.1.01

List of species

1. Asperellacystis asperellus Stukalina et Hints, 1987 | Oandu Stage

2. Asperellacystis cincatus Hynda, 1986 | Ordovician

3. Asperellacystis plicatus Stukalina et Hints, 1987 | Oandu Stage

4. Flabellicystis kuusikuensis Stukalina, 1979 | Oandu Stage

5. Oanducystis excisus Stukalina, 1979 | Keila Stage

6. Oanducystis levis Stukalina, 1985 | Upper Ordovician

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Echinodermata
Subphylum	Pelmatozoa
Class	Cystoidea
Genus	Asperellacystis
	Flabellicystis
	Oanducystis
Class	Parablastoidea
	Paracrinoidea