Citation: Saiz-Salinas, J. (2013). Phascolosomum variolosum De Rochebrune, 1881. In: Saiz, J. (2013) World Sipuncula database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=424991 on 2013-05-26