Stöhr, S.; O’Hara, T.; Thuy, B. (Eds) (2021). World Ophiuroidea Database.
Ophiocten ultimum Hertz, 1927. Accessed through: RAS (Eds.) (2021) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=173534 on 2023-03-24
RAS (Eds.) (2023). Register of Antarctic Species.
Ophiocten ultimum Hertz, 1927. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=173534 on 2023-03-24