Kaliwatan sa bakukangon ang Placonotus politissimus.^[1] Una ning gihulagway ni Thomas Vernon Wollaston ni adtong 1867.^[2] Ang Placonotus politissimus sakop sa kahenera nga Placonotus, ug kabanay nga Laemophloeidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Aprika
• Habagatang Amerika
• Amerika Sentral
• Amihanang Amerika
• Dagat Caribbean

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: 36501748. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Thomas, Michael C. (1993) The Flat Bark Beetles of Florida (Coleoptera: Silvanidae, Passandridae, Laemophloeidae) , Arthropods of Florida and Neighboring Land Areas, vol. 15
3. ↑ Orrell T. (custodian) & Nicolson D. (ed). (2019). ITIS Regional: The Integrated Taxonomic Information System (version Jun 2017). 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.