Schuchert, P. (2021). World Hydrozoa Database.
Zyzzyzus parvula (Hickson & Gravely, 1907). Accessed through: RAS (Eds.) (2021) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=231614 on 2022-06-25
RAS (Eds.) (2022). Register of Antarctic Species.
Zyzzyzus parvula (Hickson & Gravely, 1907). Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=231614 on 2022-06-25