URMO (2021). Trulliobdella capitis Brinkmann, 1947. Accessed at: https://www.marinespecies.org/urmo./aphia.php?p=taxdetails&id=370699 on 2024-07-05
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Trulliobdella capitis Brinkmann, 1947. Accessed at: https://marinespecies.org/urmo/aphia.php?p=taxdetails&id=370699 on 2024-07-05