(ofTrigoniulus laminatus Takakuwa, 1942)Takakuwa, Y. (1942). Myriapoda of the Micronesia (in Japanese with German description). Kagaku-Nanyo (Micronesian Science), 5(1): 14-44 page(s): 28, 34, figs. 14, 15 [details]
Type locality contained in Caroline Islands, Mariana Islands
original description(ofTrigoniulus utagalus Chamberlin, 1947)Chamberlin, R. V. (1947). On some millipeds from Micronesia. <em>Entomological News.</em> 58(2), 41-47. page(s): 45 [details]
original description(ofPhagostrophus riseri Chamberlin, 1945)Chamberlin, R. V. (1945). On some millipeds from Saipan. Proceedings of the Biological Society of Washington, 58: 33-38 page(s): 33 [details]
original description(ofTrigoniulus laminatus Takakuwa, 1942)Takakuwa, Y. (1942). Myriapoda of the Micronesia (in Japanese with German description). Kagaku-Nanyo (Micronesian Science), 5(1): 14-44 page(s): 28, 34, figs. 14, 15 [details]
new combination referenceJeekel, C. A. W. (2001). A bibliographic catalogue of the Spirobolida of the Oriental and Australian regions (Diplopoda). Myriapod memoranda, 4: 5-104. Oisterwijk page(s): 58 [details]
Present Inaccurate Introduced: alien Containing type locality