Echinodermata

Glyptosphaeritida Bernard, 1895

Selection of related publications
Sheffield, S. L., Sumrall, C. D. 2019. The phylogeny of the Diploporita: a polyphyletic assemblage of blastozoan echinoderms. Journal of Paleontology 93, 04, 740-752. DOI:10.1017/jpa.2019.2
Bockelie, J. F. 1984. The Diploporita of the Oslo region, Norway. Palaeontology 27, 1, 1-68.
Bockelie, J. F. 1979. Celticystis n. gen., a gomphocystitid from the Silurian of Sweden. GFF 101, 2, 157-166. DOI:10.1080/11035897909452575
Stukalina, G. A. 1979. A new family of Ordovician crinoids. Paleontologicheski Zhurnal 4, 89-95.
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I.
Jefferies, R. P. S., Joysey, K. A., Paul, C. R. C., Ramsbottom, W. H. C. 1967. The Fossil Record a symposium with dokumentation. Chapter 21 Echinodermata: Pelmatozoa. The Fossil Record, pp. 565-581.
Hecker, E. L., Hecker, R. F. 1957. O novom vide roda Protocrinites Eichwald. Ežegodnik Vsesoûznogo Paleontologičeskogo Obŝestva XVI, 274-279.
Regnéll, G. 1945. Non-Crinoid Pelmatozoa from the Paleozoic of Sweden. A taxonomic study. Meddelanden från Lunds Geologisk-Mineralogiska Institution 108, 1-255.
Phleger, F. B. 1935. Some Ordovician cystids from Russia. Harvard University Museum of Comparative Zoology Special Publication LXXVI, 5, 193-201.
Jaekel, O. 1918. Phylogenie und System der Pelmatozoen. Paläontologische Zeitschrift 3, 1, 1-128. DOI:10.1007/BF03190413
Jaekel, O. 1899. Stammesgesihichte der Pelmatozoen. Erster Band. Thecoidea und Cystoidea.
Eichwald, E. 1861. Paleontologiâ Rossii. Drevnij period. II. Fauna grauvakkovoj, gornoizvestkovoj i medistoslancevatoj formacij Rossii.