Kaliwatan sa bakukangon ang Agathidium conjunctum.^[1] Una ning gihulagway ni Brown, W. J. ni adtong 1933.^[2] Ang Agathidium conjunctum sakop sa kahenera nga Agathidium, ug kabanay nga Leiodidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Kanada
  • British Columbia
• Tinípong Bángsà
  • California
  • Idaho
  • Montana (estado)
  • Nevada (estado)
  • Oregon
  • Washington

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: 53256654. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Hatch, M. H. (1957) The beetles of the Pacific Northwest. Part II: Staphyliniformia. , University of Washington Publications in Biology, 16 (2): ix + 384 pp.
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.