Genus

Eucystis Angelin, 1878

Aiheeseen liittyvät julkaisut
Sheffield, S. L., Lam, A. R., Phillips, S. F., Deline, B. 2022. Morphological Dynamics and Response Following the Dispersal of Ordovician–Silurian Diploporan Echinoderms to Laurentia. Contributions from the Museum of Paleontology, University of Michigan 34, 9, 123-140. DOI:10.7302/4375
Bockelie, J. F. 1984. The Diploporita of the Oslo region, Norway. Palaeontology 27, 1, 1-68.
Regnéll, G. 1945. Non-Crinoid Pelmatozoa from the Paleozoic of Sweden. A taxonomic study. Meddelanden från Lunds Geologisk-Mineralogiska Institution 108, 1-255. Carl Bloms Boktryckeri.
List of species
1. Eucystis acuminata Regnéll, 1945 | Katian→Hirnantian
2. Eucystis angelini Regnéll, 1945 | Katian→Hirnantian
5. Eucystis raripunctata Angelin, 1878 | Katian→Hirnantian
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Luokittelu
Organism groupBiota
KingdomAnimalia
PhylumEchinodermata
SubphylumBlastozoa
ClassDiploporita
SuperfamilySphaeronitida
FamilySphaeronitidae
GenusArchaegocystis
Codiacystis
Eucystis
Speciesacuminata
angelini
langoeyensis
quadrangularis
raripunctata
GenusHaplosphaeronis
Sphaeronites
Tetreucystis