Kaliwatan sa dawhilahila ang Parthenina parvispiralis^[1]. Una ning gihulagway ni Peñas ug Rolán ni adtong 2017.^[2] Ang Parthenina parvispiralis sakop sa kahenera nga Parthenina, ug kabanay nga Pyramidellidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Vanuatu

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: 54489843. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Peñas A. & Rolán E. (2017) Deep water Pyramidelloidea from the central and South Pacific. The tribe Chrysallidini. ECIMAT (Estación de Ciencias Mariñas de Toralla), Universidade de Vigo ,
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.