Kaliwatan sa insekto ang Oliarus undabundus.^[1] Una ning gihulagway ni Van Stalle ni adtong 1990.^[2] Ang Oliarus undabundus sakop sa kahenera nga Oliarus, ug kabanay nga Cixiidae.^[1][3] 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: 53417505. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Van Stalle J. (1989) TThe Pentastirini of New Guinea, a review and descriptions of five new species (Homoptera, Cixiidae) , Bulletin de l'Institut Royal des Sciences Naturelles de Belgique, 59: 173-182.
3. ↑ Bourgoin T. (2019). FLOW: Fulgoromorpha Lists On the WEB (version Feb 2019). 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.