Kaliwatan sa bakukangon ang Donacia megacornis.^[1] Una ning gihulagway ni Willis Blatchley ni adtong 1910.^[2] Ang Donacia megacornis sakop sa kahenera nga Donacia, ug kabanay nga Chrysomelidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Amihanang Amerika

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: 36499778. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ (1996) , database, NODC Taxonomic Code
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.