URMO (2021). Janusion yorki (Srivastava, 1966). Accessed at: http://www.marinespecies.org/Urmo/aphia.php?p=taxdetails&id=116965 on 2025-05-29
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Janusion yorki (Srivastava, 1966). Accessed at: https://marinespecies.org/urmo/aphia.php?p=taxdetails&id=116965 on 2025-05-29
basis of recordvan der Land, J. (2001). Hirudinea, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 234-235 (look up in IMIS) [details]