Schuchert, P. (2022). World Hydrozoa Database.
Hydractinia Van Beneden, 1844. Accessed through: RAS (Eds.) (2022) Register of Antarctic Species at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=117117 on 2022-07-02
RAS (Eds.) (2022). Register of Antarctic Species.
Hydractinia Van Beneden, 1844. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=117117 on 2022-07-02