Kaliwatan sa bakukangon ang Hygrotus zigetangco.^[1] Una ning gihulagway ni Hans Fery ni adtong 2003.^[2] Ang Hygrotus zigetangco sakop sa kahenera nga Hygrotus, ug kabanay nga Dytiscidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• habagatang Asya

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: 9294727. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Nilsson, A. N. (2004) World Catalogue of Dytiscidae - corrections and additions, 2 (Coleoptera: Dytiscidae) , Koleopterologische Rundschau, vol. 74
3. ↑ Tom Orrell (custodian), Dave Nicolson (ed). (2019). ITIS Global: 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.