(ofPolyzonium mutabilis Causey, 1951)Causey, N. B. (1951). On two new colobognath millipeds and records of some established species from east of the Rocky Mountains. Proceedings of the Biological Society of Washington, 64: 137-140 page(s): 139 [details]
original description(ofPolyzonium borealis Loomis, 1971)Loomis, H. F. (1971). The diplopod genus Polyzonium in North America. Florida Entomologist, 54: 151-163 page(s): 156 [details]
original description(ofPolyzonium quadricauda Loomis, 1971)Loomis, H. F. (1971). The diplopod genus Polyzonium in North America. Florida Entomologist, 54: 151-163 page(s): 159 [details]
original description(ofPolyzonium mutabilis Causey, 1951)Causey, N. B. (1951). On two new colobognath millipeds and records of some established species from east of the Rocky Mountains. Proceedings of the Biological Society of Washington, 64: 137-140 page(s): 139 [details]
Present Inaccurate Introduced: alien Containing type locality