Shear, W.A. 2011. Cave millipeds of the United States. X. New species and records of the genus Pseudotremia Cope. 2. Species from Virginia, USA (Diplopoda, Chordeumatida, Cleidogonidae). Zootaxa. 3109, 1 (Nov. 2011), 1–38. DOI:https://doi.org/10.11646/zootaxa.3109.1.1.