Saiz, J. (2021). World Sipuncula database. Phascolion brotzkajae Murina, 1964. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=136068 on 2024-03-28
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Phascolion brotzkajae Murina, 1964. Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=136068 on 2024-03-28
basis of recordvan der Land, J. (2001). Sipuncula, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 178-179 (look up in RoR) [details]
Present Inaccurate Introduced: alien Containing type locality