original description
Cook, O. F.; Collins, G. N. (1895). The Craspedosomatidae of North America. Annals of the New York Academy of Sciences, 9: 1-100. New York, available online at http://biodiversitylibrary.org/page/35260543
page(s): 43, figs. 138-139 [details]
original description
(of Cleidogona exaspera Williams & Hefner, 1928) Williams, S. R.; Hefner, R. A. (1928). The millipedes and centipedes of Ohio. Ohio State University Bulletin, 33(7): 93-146. Berkeley, California
page(s): 117; note: nomen novum [details]
original description
(of Spirostrephon caesioannulatus Wood, 1869) Wood, H. C. Jr. (1865). On the Myriopoda of North America. <em>Transactions of the American Philosophical Society., N. S.</em> 13: 137-248., available online at https://www.biodiversitylibrary.org/page/36393604
page(s): 194 [details]
additional source
Shear, W. A. (1972). Studies in the milliped order Chordeumida (Diplopoda). A revision of the family Cleidogonidae and a reclassification of the order Chordeumida in the New World. Bulletin of the Museum of Comparative Zoology, 144: 151-352. Cambridge
page(s): 236, figs. 378-384 [details]
additional source
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.
page(s): 207 [details]
From editor or global species database