Kaliwatan sa kaka sa dagat ang Pallenopsis ovalis.^[1] Una ning gihulagway ni Loman ni adtong 1908.^[2] Ang Pallenopsis ovalis sakop sa kahenera nga Pallenopsis, ug kabanay nga Pallenopsidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• habagatang Kadagatang Pasipiko

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: 54705301. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ van der Land, J. (ed) (2008) UNESCO-IOC Register of Marine Organisms (URMO) ,
3. ↑ Bamber R.N. El Nagar A. & Arango C. (eds). (2019). WoRMS PycnoBase: World Pycnogonida Database (version 2019-03-25). 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.