original description(ofColactis saxetana Loomis, 1937)Loomis, H. F. (1937). Crested millipeds of the family Lysiopetalidae in North America, with Descriptions of new genera and species. Proceedings of the United States National Museum, 84(3006): 97-135. Washington page(s): 122; note: Fig 16a, b; pl.3, fig 2. [details]
original description(ofColactis baboquivari Loomis, 1937)Loomis, H. F. (1937). Crested millipeds of the family Lysiopetalidae in North America, with Descriptions of new genera and species. Proceedings of the United States National Museum, 84(3006): 97-135. Washington page(s): 123; note: Fig 16c, d; pl. 3, fig 4. [details]
original description(ofColactis briggsi Shear, 1974)Shear, W. A. (1974). North american cave Millipeds II. An unusual new species (Dorypetalidae) from southern California. and new records of Speodesmus tuganbius (Trichoplydesmidae) from new Mexico. Occasional Papers of the California Academy of Sciences, 112: 1-9 page(s): 2; note: Fig 1-3 [details]
original description(ofSpirostrephon utorum Chamberlin, 1925)Chamberlin, R. V. (1925). Notes on some centipeds and millipeds from Utha. Pan-Pacific Entomologist, 2(2): 55-63 page(s): 61 [details]
additional sourceChamberlin, R. V.; Hoffman, R. L. (1958). Checklist of the millipeds of North America. United States National Museum Bulletin, 212: 1-236. Washington D. C. page(s): 111 [details]
additional sourceLoomis, H. F. (1937). Crested millipeds of the family Lysiopetalidae in North America, with Descriptions of new genera and species. Proceedings of the United States National Museum, 84(3006): 97-135. Washington page(s): 130 [details]
additional sourceHoffman, R. L. (1999). Checklist of the millipedes of North and Middle America. <em>Virginia Museum of Natural History, special publication.</em> 8: 1-584. page(s): 201 [details]
additional sourceShelley, R. M. (1996). The milliped order Callipodida in western North America (Schizopetalidae: Tynommatinae), and a summary of the New World fauna. Entomologica scandinavica, 27: 25-64. Lund page(s): 36; note: Fig 15-16 [details]
additional sourceStoev, P.; Sierwald, P.; Billey, A. (2008). An annotated world catalogue of the millipede order Callipodida (Arthropoda: Diplopoda). Zootaxa, 1706: 1-50 page(s): 36 [details]
Present Inaccurate Introduced: alien Containing type locality