Cyclocystoididae Miller, 1882
Valik taksonit käsitlevast teaduskirjandusest
Berg-Madsen, V. 1987. A new cyclocystoid from the Lower Ordovician of Öland, Sweden.Palaeontology 30 , 1,105-116.
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.
Franzén, C. 1979. Echinoderms.Sveriges Geologiska Undersökning 73 , 3,216-224. Lower Wenlock faunal and floral dynamics - Vattenfallet section, Gotland , pp. 216-224.
Regnéll, G. 1945. Non-Crinoid Pelmatozoa from the Paleozoic of Sweden. A taxonomic study.Meddelanden från Lunds Geologisk-Mineralogiska Institution 108 , 1-255.