URMO (2021). Ommatophoca Gray, 1844. Accessed at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=231401 on 2024-04-18
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Ommatophoca Gray, 1844. Accessed at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=231401 on 2024-04-18
basis of recordShirihai, H. (2002). A complete guide to Antarctic Wildlife: the Birds and Marine Mammals of the Antarctic Continent and the Southern Ocean. Alula Press FI 510 pp.[details]