Shear, William A. 2008. “Cave Millipeds of the United States. VII. New Species and Records of the Genus Pseudotremia Cope. I. Species from West Virginia, USA (Diplopoda, Chordeumatida, Cleidogonidae)”. Zootaxa 1764 (1). Auckland, New Zealand:53–65. https://doi.org/10.11646/zootaxa.1764.1.5.