Kaliwatan sa kaka ang Neospintharus bicornis^[1]. Una ning gihulagway ni O. Pickard-cambridge ni adtong 1880.^[2] Ang Neospintharus bicornis sakop sa kahenera nga Neospintharus, ug kabanay nga Theridiidae.^[1][3]

Kini nga matang hayop na sabwag sa:

• Brasil

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: 54090145. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Pickard-Cambridge, O. (1880) On some new and little known spiders of the genus Argyrodes , Proceedings of the Zoological Society of London 48(2): 320-344, Pl. XXVIII-XXX
3. ↑ Kropf C., Nentwig W., Blick T. & Gloor D. (organizing board). (2019). WSC: World Spider Catalog (version 19.5, Jan 2019). 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.