Kaliwatan sa dawhilahila ang Rhophodon duplicostatus^[1]. Una ning gihulagway ni Libbie Henrietta Hyman ug Stanisic ni adtong 2005.^[2] Ang Rhophodon duplicostatus sakop sa kahenera nga Rhophodon, ug kabanay nga Charopidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• State of New South Wales

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: 54501225. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Hyman, I. T.; Stanisic, J. (2005) New charopid land snails chiefly from limestone outcrops in eastern New South Wales (Eupulmonata: Charopidae) , Memoirs of the Queensland Museum - Nature. 50(2): 219-302
3. ↑ MolluscaBase (2019). WoRMS Mollusca: MolluscaBase (version 2019-03-06). 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.