original description(ofPolyzonium cyathiferum Mikhaljova, 1981)Mikhaljova, E. V. (1981). [New species of the genus Polyzonium (Diplopoda, Polyzoniidae) from Siberia and Far East] (in Russian, English summary). Zoologiceskij zurnal, 60: 778-782. Moskva page(s): 780 [details]