original description(ofCraspedosoma helveticum Verhoeff, 1900)Verhoeff, K. W. (1900). Beiträge zur Kenntniss paläarktischer Myriopoden. XIII. Aufsatz: Zur vergleichenden Morphologie, Phylogenie, Gruppen- und Art-Systematik der Ascospermophora. Archiv für Naturgeschichte, 66(1): 347-402. Berlin, available online athttps://www.biodiversitylibrary.org/page/14103386 page(s): 388 [details]
original description(ofHelvetiosoma alemannicum Verhoeff, 1911)Verhoeff, K. W. (1911). Zur Kenntnis der Craspedosomiden-Gattungen Helvetiosoma und Orotrechosoma (Über Diplopoden. 44. Aufsatz.). Zoologischer Anzeiger, 38(1): 17-31. Leipzig page(s): 23 [details]
original description(ofHelvetiosoma cornigerum Bigler, 1912)Bigler, W. (1912). Xylophageuma zschokkei n. sp. und einige neue Craspedosomiden. Zoologischer Anzeiger, 39(23-24): 693-698. Jena page(s): 696 [details]
original description(ofHelvetiosoma jurassicum Verhoeff, 1911)Verhoeff, K. W. (1911). Zur Kenntnis der Craspedosomiden-Gattungen Helvetiosoma und Orotrechosoma (Über Diplopoden. 44. Aufsatz.). Zoologischer Anzeiger, 38(1): 17-31. Leipzig page(s): 23 [details]
additional sourceKime, R. D.; Enghoff, H. (2021). Atlas of European millipedes 3: Order Chordeumatida (Class Diplopoda). <em>European Journal of Taxonomy.</em> 769: 1-244., available online athttps://doi.org/10.5852/ejt.2021.769.1497 page(s): 77; note: Remarks: Pedroli-Christen (1993) provisionally included H. helveticum, H. jurassicum and H. cornigerum in her concept of H. alemannicum and noted that this complex may constitute one polytypic species...
Remarks: Pedroli-Christen (1993) provisionally included H. helveticum, H. jurassicum and H. cornigerum in her concept of H. alemannicum and noted that this complex may constitute one polytypic species. We adopt
this view but follow Spelda (2008) in using the older name helveticum.