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
page(s): 236 [details]
source of synonymy
Shear, William Albert. (2010). The milliped family Trichopetalidae, Part 2: The genera Trichopetalum, Zygonopus and Scoterpes (Diplopoda: Chordeumatida, Cleidogonoidea). Zootaxa, 2385: 1-62
page(s): 22 [details]
From editor or global species database