Kaliwatan sa bituonbituon ang Ryukuaster onnae[1]. Una ning gihulagway ni Mah ni adtong 2007.[2] Ang Ryukuaster onnae sakop sa kahenera nga Ryukuaster, ug kabanay nga Goniasteridae.[1][3]
Kini nga matang hayop na sabwag sa:
Walay nalista nga matang nga sama niini.[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: 53386742. Retrieved 2019-11-11. CS1 maint: multiple names: authors list (link)
- ↑ Mah, C. (2007) Systematics, phylogeny and historical biogeography of the Pentagonaster clade (Asteroidea: Valvatida: Goniasteridae , Invertebrate Systematics. 21: 311-339
- ↑ Mah C.L. (2019). WoRMS Asteroidea: World Asteroidea Database (version 2019-02-05). 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.