Neuhaus, B. (2018). World List of Priapulida. Priapulomorpha. Accessed through: De Broyer, C.; Clarke, A.; Koubbi, P.; Pakhomov, E.; Scott, F.; Vanden Berghe, E. and Danis, B. (Eds.) (2018) Register of Antarctic Marine Species at: http://www.marinespecies.org/rams/aphia.php?p=taxdetails&id=1263790 on 2019-02-20
De Broyer, C.; Clarke, A.; Koubbi, P.; Pakhomov, E.; Scott, F.; Vanden Berghe, E. and Danis, B. (Eds.) (2019). Register of Antarctic Marine Species. Priapulomorpha. Accessed at: http://marinespecies.org/rams/aphia.php?p=taxdetails&id=1263790 on 2019-02-20