Bock, P. (2021). World List of Bryozoa.
Hastingsia pygmacea Borg, 1944. Accessed through: De Broyer, C.; Clarke, A.; Koubbi, P.; Pakhomov, E.; Scott, F.; Vanden Berghe, E. and Danis, B. (Eds.) (2021) Register of Antarctic Marine Species at: https://www.marinespecies.org/rams./aphia.php?p=taxdetails&id=174013 on 2025-05-31
De Broyer, C.; Clarke, A.; Koubbi, P.; Pakhomov, E.; Scott, F.; Vanden Berghe, E. and Danis, B. (Eds.) (2025). Register of Antarctic Marine Species.
Hastingsia pygmacea Borg, 1944. Accessed at: https://www.marinespecies.org/rams./aphia.php?p=taxdetails&id=174013 on 2025-05-31