Polyzonium transsilvanicum, is a species of millipede within the genus Polyzonium and family Polyzoniidae. The species can be found within the European countries of Moldova, Romania, Slovakia and Ukraine,Arthropoda Selecta. (1996). Russia: Zoologicheskiĭ muzeĭ MGU. P. 27 where it is endemic to the East Carpathian mountain range.Haľková B, Drabová M, Mock A (2021) An annotated checklist of millipede fauna from Slovakia, with ecological and biogeographic characteristics. Biodiversity Data Journal 9: e71495.
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