Kaliwatan sa bakukangon ang Acetalius pilosus.^[1] Una ning gihulagway ni Claude Besuchet ni adtong 1985.^[2] Ang Acetalius pilosus sakop sa kahenera nga Acetalius, ug kabanay nga Staphylinidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Hapon
  • Kyushu
  • Shikoku

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: 53296310. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Besuchet, C. (1985) Le genre Acetalius Sharp (Coleoptera: Pselaphidae). , Revue Suisse de Zoologie, 92 (3): 761-766.
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.