Kaliwatan sa insekto ang Chaitophorus horii.^[1] Una ning gihulagway ni Takahashi, R. ni adtong 1939.^[2] Ang Chaitophorus horii sakop sa kahenera nga Chaitophorus, ug kabanay nga Aphididae.^[1][3]

Ang kaliwatan gibahinbahin ngadto sa matang nga nahiubos:^[1]

• C. h. beuthani
• C. h. horii

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: 46672510. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Takahashi, R. (1939) Some Aphididae from Hokkaido (Hemiptera) , Insecta Matsumurana 13(4):114-128
3. ↑ Favret C. (2019). SF Aphid: Aphid Species File (version 5.0, Jun 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.