original description
Hoffman, R. L. (1982). Two interesting new millipeds of the genus Thyrgopygus from the mainland of southeast Asia (Spirostreptidae: Harpagophoridae). Entomologische Mitteilungen aus dem Zoologischen Staatsinstitut und Zoologischen Museum Hamburg, 7(116): 245-251
page(s): 249-251, figs. 5-8 [details]
additional source
Enghoff, H. (2005). The millipedes of Thailand (Diplopoda). Steenstrupia, 29(1): 87-103
page(s): 94 [details]
additional source
Jeekel, C. A. W. (2006). A bibliographic catalogue of the Oriental Harpagophoridae (Diplopoda, Spirostreptida). Myriapod memoranda, 9: 5-58 [details]
From editor or global species database