Saiz, J. (2021). World Sipuncula database.
Phascolion strombi (Montagu, 1804). Accessed through: Sirenko, B.I.; Clarke, C.; Hopcroft, R.R.; Huettmann, F.; Bluhm, B.A.; Gradinger, R. (eds) (2021) The Arctic Register of Marine Species (ARMS) compiled by the Arctic Ocean Diversity (ArcOD) at: http://marinespecies.org/arms/aphia.php?p=taxdetails&id=136073 on 2025-05-04
Sirenko, B.I.; Clarke, C.; Hopcroft, R.R.; Huettmann, F.; Bluhm, B.A.; Gradinger, R. (eds) (2025). The Arctic Register of Marine Species (ARMS) compiled by the Arctic Ocean Diversity (ArcOD).
Phascolion strombi (Montagu, 1804). Accessed at: https://marinespecies.org/arms/aphia.php?p=taxdetails&id=136073 on 2025-05-04