Kaliwatan sa bakukangon ang Nemadus gracilicornis.^[1] Una ning gihulagway ni Henry Clinton Fall ni adtong 1937.^[2] Ang Nemadus gracilicornis sakop sa kahenera nga Nemadus, ug kabanay nga Leiodidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Kanada
  • Manitoba
  • Québec (lalawigan)
• Tinípong Bángsà
  • Connecticut
  • Massachusetts
  • New Hampshire
  • New Jersey
  • New York (estado)

Walay nalista nga matang nga sama niini.^[1]

1. ↑ ^{1.0 1.1 1.2} Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 53254488. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Fall, H. C. (1937) The North American species of Nemadus Thom., with descriptions of new species (Coleoptera, Silphidae). , Journal of the New York Entomological Society, 45: 335-340.
3. ↑ Newton A.F. (2019). StaphBase: Staphyliniformia world catalog database (version Nov 2018). In: Species 2000 & ITIS Catalogue of Life, 2019 Annual Checklist (Roskov Y., Ower G., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., Nieukerken E. van, Zarucchi J., Penev L., eds.). Digital resource at www.catalogueoflife.org/annual-checklist/2019. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X.