Kaliwatan sa bakukangon ang Aleochara gracilicornis.^[1] Una ning gihulagway ni Max Bernhauer ni adtong 1901.^[2] Ang Aleochara gracilicornis sakop sa kahenera nga Aleochara, ug kabanay nga Staphylinidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Kanada
  • British Columbia
  • Manitoba
  • New Brunswick (lalawigan)
  • Newfoundland and Labrador
  • Nova Scotia
  • Northwest Territories
  • Ontario (lalawigan)
  • Québec (lalawigan)
  • Saskatchewan
• Tinípong Bángsà
  • Arkansas
  • Arizona (estado)
  • Colorado (estado)
  • Florida
  • Louisiana (estado)
  • Massachusetts
  • Maryland (estado)
  • Maine (estado)
  • Michigan
  • Minnesota
  • Missouri (estado)
  • Montana (estado)
  • New Hampshire
  • New Jersey
  • New Mexico
  • New York (estado)
  • Ohio (estado)
  • Rhode Island
  • South Dakota
  • Utah
  • Wisconsin (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: 53259614. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Casey, T. L. (1906) Observations on the staphylinid groups Aleocharinae and Xantholinini, chiefly of America. , Transactions of the Academy of Science of St. Louis, 16: 125-434.
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.