Kaliwatan sa bakukangon ang Agathidium nigriceps.^[1] Una ning gihulagway ni Brisout de Barneville ni adtong 1872.^[2] Ang Agathidium nigriceps sakop sa kahenera nga Agathidium, ug kabanay nga Leiodidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Uropa
  • Italya
  • Portugal
• Algyeriya
• Maruwekos
• Tunisia

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: 53257031. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Dodero, A. (1916) Appunti coleotterologici. II [in part]. , Annali del Museo Civico di Storia Naturale "Giacomo Doria", 47 [=(3) 7]: 337-354.
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.