original description
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): 138 [details]
additional source
Loomis, H. F. (1971). The diplopod genus Polyzonium in North America. Florida Entomologist, 54: 151-163, available online at https://journals.flvc.org/flaent/article/view/56623
page(s): 154 [details]
source of synonymy
Hoffman, R. L. (1999). Checklist of the millipedes of North and Middle America. <em>Virginia Museum of Natural History, special publication.</em> 8: 1-584., available online at https://www.biodiversitylibrary.org/page/63590410
page(s): 33 [details]
From editor or global species database