original descriptionVerhoeff, K. W. (1914). Ascospermophoren aus Japan. (Über Diplopoden, 69. Aufsatz.). Zoologischer Anzeiger, 43(8): 342-370. Leipzig page(s): 347 [details]
basis of recordShear, William Albert. (2010). The milliped family Trichopetalidae, Part 2: The genera Trichopetalum, Zygonopus and Scoterpes (Diplopoda: Chordeumatida, Cleidogonoidea). Zootaxa, 2385: 1-62[details]
additional sourceShear, W. A. (2003). The milliped family Trichopetalidae, part 1: Introduction and genera Trigenotyla Causey, Nannopetalum n. gen., and Causeyella n. gen. (Diplopoda: Chordeumatida: Cleidogonoidea). Zootaxa, 321: 1-36. Auckland[details]
additional sourceJeekel, C. A. W. (1971). Nomenclator generum et familiarum Diplopodorum: A list of the genus and family-group names in the Class Diplopoda from the 10th edition of Linnaeus, 1758, to the end of 1957. Monografieen van de Nederlandse Entomologische Vereniging, 5: 1-412. Amsterdam, available online athttps://nev.nl/wp-content/uploads/2020/11/Mono-05-Jeekel-1970-OCR.pdf page(s): 82 [details]