1892Scalpellum cylindricum — Aurivillius, pp. 18, fig. 16
1915Pyrgocystis cylindrica — Bather, pp. 59
1945Pyrgocystis cylindrica (Aurivillius, 1892) — Regnéll, pp. 212, fig. 2:8
Selection of related publications
Regnéll, G. 1945.
Non-Crinoid Pelmatozoa from the Paleozoic of Sweden. A taxonomic study.Meddelanden från Lunds Geologisk-Mineralogiska Institution108,
1-255.