Genus

Sievertsia Smith et Paul, 1982

Aiheeseen liittyvät julkaisut
Reich, M. Kutscher, M. 2010. Cyclocystoids (Echinodermata: Echinozoa) from silurian of gotland, Sweden. Proceedings of the 12th International Echinoderm Conference, Durham, New Hampshire, USA, 7-11 August 2006, pp. 67-70. Taylor & Francis.
Luokittelu
Organism groupBiota
KingdomAnimalia
PhylumEchinodermata
ClassCyclocystoidea
FamilyApycnodiscidae
GenusActinodiscus
Apycnodiscus
Sievertsia
Zygocycloides
See also
Levinneisyys ja viitteet