Kaliwatan sa bakukangon ang Hydraena tenuis.^[1] Una ning gihulagway ni Janssens, E. ni adtong 1980.^[2] Ang Hydraena tenuis sakop sa kahenera nga Hydraena, ug kabanay nga Hydraenidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Indya
  • Madhya Pradesh

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: 53252888. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Janssens, E. (1980) Contribution a l'etude des Hydraenidae de l'Inde. , Bulletin de l'Institut Royal des Sciences Naturelles de Belgique, Entomologie, 52 (8): 1-5.
3. ↑ Newton A.F. (2019). StaphBase: Staphyliniformia world catalog database (version Nov 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.