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): 5 [details]
additional source
Kime, R. D.; Enghoff, H. (2011). Atlas of European Millipedes (Class Diplopoda) Volume 1 Orders Polyxenida, Glomerida, Platydesmida, Siphonocryptida, Polyzoniida, Callipodida, Polydesmida. <em>Fauna Europaea Evertebrata.</em> 3: 1-282; June 2011.
page(s): 50 [details]
additional source
Shear, William Albert; Reddell, James M. (2017). Cave millipedes of the United States. XIV. Revalidation of the genus Speorthus Chamberlin, 1952 (Diplopoda, Polydesmida, Macrosternodesmidae), with a description of a new species from Texas and remarks on the families Polydesmidae and Macrosternodesmidae in North America. Insecta Mundi, 0529: 1-13
page(s): 6; note: Lists the genus in the Macrosternodesminae [details]
From editor or global species database