1892Scalpellum varium — Aurivillius, pp. 15, fig. 12-14
1915Pyrgocystis sulcata Aurivillius (ex parte) — Bather, pp. 58
1945Pyrgocystis varia (Aurivillius, 1892) — Regnéll, pp. 1:7
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.