Kaliwatan sa bakukangon ang Agathidium clavulum.^[1] Una ning gihulagway ni Edmund Reitter ni adtong 1888.^[2] Ang Agathidium clavulum sakop sa kahenera nga Agathidium, ug kabanay nga Leiodidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Rusya
  • Caucasus
• Georgia (pagklaro)
• Aserbaiyan
• Turkeya
• Iran

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: 53256642. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Reitter, E. (1888) Coleopteren aus Circassien, gesammelt von Hans Leder im Jahre 1887. III. Theil. , Wiener Entomologische Zeitung, 7 (4): 143-156.
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.