original description
(of Spirostreptus californicus Humbert & De Saussure, 1870) Humbert, A.; Saussure, H. L. F. de (1869). Myriopoda nova Americana. Revue et magasin de zoologie pure et appliquée, 2. Sér., 21: 149-159, available online at https://biodiversitylibrary.org/page/44243203
page(s): 154 [details]
original description
(of Californibolus oregonus Chamberlin, 1949) Chamberlin, R. V. (1949). On some western millipeds of the order Spirobolida. <em>Journal of the Washington Academy of Sciences.</em> 39: 163-169.
page(s): 166 [details]
original description
(of Californibolus pontis Chamberlin, 1949) Chamberlin, R. V. (1949). On some western millipeds of the order Spirobolida. <em>Journal of the Washington Academy of Sciences.</em> 39: 163-169.
page(s): 166 [details]
original description
(of Californibolus rectus Chamberlin, 1949) Chamberlin, R. V. (1949). On some western millipeds of the order Spirobolida. <em>Journal of the Washington Academy of Sciences.</em> 39: 163-169.
page(s): 166 [details]
original description
(of Californibolus michelbacheri (Verhoeff, 1937)) Verhoeff, K. W. (1937). Zur Kenntnis der Rhinocricidae. Zoologischer Anzeiger, 118(3-4): 90-102. Jena
page(s): 99 [details]
original description
(of Fomentocricus michelbacheri Verhoeff, 1937) Verhoeff, K. W. (1937). Zur Kenntnis der Rhinocricidae. Zoologischer Anzeiger, 118(3-4): 90-102. Jena
page(s): 99 [details]
original description
(of Spirobolus uncigerus Wood, 1864) Wood, H. C. (1864). Descriptions of new species of North American Iulidae. Proceedings of the Academy of natural Science of Philadelphia, 1864: 10-15
page(s): 15 [details]
additional source
Shelley, R. M.; Bauer, S. B. (1997). Distribution of the milliped Tylobolus utahensis Chamberlin, with remarks on T. fredericksoni (Causey) (Spirobolida: Spirobolidae). Great Basin Naturalist, 57(3): 231-237 [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): 44 [details]
From editor or global species database