Genus

Proctocystis Regnéll, 1945

Selection of related publications
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
References based on distribution