Saiz, J. (2021). World Sipuncula Database.
Phascolion (Isomya) tuberculosum Th?el, 1875. Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: http://marinespecies.org/Urmo/aphia.php?p=taxdetails&id=136074 on 2024-09-27
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
Phascolion (Isomya) tuberculosum Théel, 1875. Accessed at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=136074 on 2024-09-27