Paulay, G. (2024). World List of Priapulida. Priapulomorpha. Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=1263790 on 2024-04-26
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Priapulomorpha. Accessed at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=1263790 on 2024-04-26