original description
Causey, N. B. (1967). Trichopetalum subterraneum, new species from Kentucky, new records and key to the genus (Diplopoda; Chordeumatida; Trichopetalidae). Proceedings of the Biological Society of Washington, 80: 117-122
page(s): 120 [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
page(s): 237 [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): 19 [details]
From editor or global species database