Echinodermata
Family

Hemicystitidae Bassler, 1936

https://files.geocollections.info/large/93/4c/934cdbe7-0c22-4124-aa31-ccdeadc8ac9f.jpghttps://files.geocollections.info/large/4b/96/4b965cdc-a172-4d9a-8f90-fa31def9c24a.jpghttps://files.geocollections.info/large/fe/c3/fec3820f-b6f5-4376-90e4-668197622f69.jpg
Selection of related publications
Franzén, C. 1979. Echinoderms. Sveriges Geologiska Undersökning 73, 3, 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. Carl Bloms Boktryckeri.
Hecker, R. F. 1939. Pyrgocystis iz nižnego silura Leningradskoj oblasti. Izvestiya Akademii Nauk SSSR, Seriya Biologicheskaya 241-246.
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Classification
Organism groupBiota
KingdomAnimalia
PhylumEchinodermata
SubphylumEleutherozoa
ClassEdrioasteroidea
OrderCyathocystida
SuperfamilyStromatocystitidae
FamilyHemicystitidae
GenusPyrgocystis