URMO (2021). Pagophilus Gray, 1844. Accessed at: http://www.marinespecies.org/Urmo/aphia.php?p=taxdetails&id=159018 on 2024-04-24
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Pagophilus Gray, 1844. Accessed at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=159018 on 2024-04-24
basis of recordNeave, Sheffield Airey. (1939-1996). Nomenclator Zoologicus vol. 1-10 Online. <em>[Online Nomenclator Zoologicus at Checklistbank. Ubio link has gone].</em> , available online athttps://www.checklistbank.org/dataset/126539/about[details]