Kaliwatan sa bakukangon ang Sunius propinquus.^[1] Una ning gihulagway ni Brisout de Barneville ni adtong 1867.^[2] Ang Sunius propinquus sakop sa kahenera nga Sunius, ug kabanay nga Staphylinidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Ostriya
• Inglatera
• Pransiya
• Espanya
• Portugal
• Italya
• Cerdeña
• Sicilia
• Algyeriya
• Maruwekos
• Tunisia
• Azores (distrito)
• Madeira (distrito)
• tingali Rusya
• tingali Canary Islands (rehiyon)
• intro. New Zealand

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: 53288123. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Thomson, C. G. (1867) Skandinaviens Coleoptera, synoptiskt bearbetade. IX. , Lundbergska Boktryckeriet, Lund. 407 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.