World Register of Marine Species (WoRMS)
Stöhr, S.; O’Hara, T.; Thuy, B. (Eds) (2026). World Ophiuroidea Database. Ophiosphalma elii (A.H. Clark, 1949). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1062497 on 2026-08-02
Clark, A. H. (1949). Ophiuroidea of the Hawaiian Islands. Bulletin of the Bernice P. Bishop Museum. 195: 3-133.