Stöhr, S.; O’Hara, T.; Thuy, B. (Eds) (2024). World Ophiuroidea Database.
Ophiosphalma properum (Koehler, 1904). Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=244061 on 2024-05-01
Marine Species Traits editorial board (2024). Marine Species Traits.
Ophiosphalma properum (Koehler, 1904). Accessed at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=244061 on 2024-05-01