original description
Chamberlin, R. V. (1949). Some millipeds of the families Polydesmidae and Xystodesmidae. <em>Journ. Washington Acad. Sci.</em> 39(3): 94-102.
page(s): 94 [details]
original description
(of Ectopodesmus Hoffman, 1962) Hoffman, R. L. (1962). A new genus and species in the diplopod family Nearctodesmidae from Illinois (Polydesmida). American Midland Naturalist, 68(1): 192-198. Notre Dame, Indiana
page(s): 194 [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: Listed in the subfamily Nearctodesminae [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., available online at https://www.biodiversitylibrary.org/page/63590410 [details]
additional source
Shelley, R. M. (1994). The milliped family Nearctodesmidae in northwestern North America, with accounts of Sakophallus and S. simplex Chamberlin (Polydesmida). Canadian Journal of Zoology, 72(3): 470-495 [details]
additional source
Whitney, C. L.; Shelley, R. M. (1995). Occurrence of the milliped Ergodesmus compactus Chamberlin in Canada (Polydesmida: Nearctodesmidae). Insecta Mundi, 9(3-4): 277-278 [details]
From editor or global species database