Kaliwatan sa bakukangon ang Gstenus cognatus.^[1] Una ning gihulagway ni Sharp ni adtong 1874.^[2] Ang Gstenus cognatus sakop sa kahenera nga Gstenus, ug kabanay nga Staphylinidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Hapon
• Koreya
• Pangmasang Republika sa Tsina
  • Anhui Sheng
  • Pekin
  • Gansu Sheng
  • Guangxi Zhuangzu Zizhiqu
  • Heilongjiang Sheng
  • Hubei Sheng
  • Liaoning Sheng
  • Ningxia Huizu Zizhiqu
  • Shaanxi
  • Shanghai (kapital sa lalawigan sa Pangmasang Republika sa Tśina)
  • Sichuan Sheng
  • Yunnan Sheng
• tingali Belhika

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: 53283484. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Sharp, D. (1874) The Staphylinidae of Japan. , Transactions of the Entomological Society of London, 1874 (1): 1-103.
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.