original description
(of Polyzonium divaricatum Loomis, 1971) 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): 157 [details]
original description
(of Hexaglena cryptocephalus McNeill, 1887) McNeill, J. (1887). Description of twelve new species of Myriopoda chiefly from Indiana. Proceedings of the United States National Museum, 10: 328-334, available online at https://www.biodiversitylibrary.org/page/7485448
page(s): 328 [details]
original description
(of Hexaglena cryptocephala McNeill, 1887) McNeill, J. (1887). Description of twelve new species of Myriopoda chiefly from Indiana. Proceedings of the United States National Museum, 10: 328-334, available online at https://www.biodiversitylibrary.org/page/7485448
page(s): 328; note: plate XII [details]
From editor or global species database