Glyptosphaerites Müller, 1845

Selection of related publications
Paul, C. R. C., Toom, U. 2021. The diploporite blastozoan Glyptosphaerites (Echinodermata: Blastozoa) and the origin of diplopores. Estonian Journal of Earth Sciences 70, 4, 224-239. DOI:10.3176/EARTH.2021.15
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.
Regnéll, G. 1945. Non-Crinoid Pelmatozoa from the Paleozoic of Sweden. A taxonomic study. Meddelanden från Lunds Geologisk-Mineralogiska Institution 108, 1-255.
Jaekel, O. 1899. Stammesgesihichte der Pelmatozoen. Erster Band. Thecoidea und Cystoidea.