Guiry, M.D. & Guiry, G.M. (2021). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry).
Syracosphaera variabilis (Halldal & Markali) Okada & McIntyre, 1977. Accessed through: RAS (Eds.) (2021) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=236053 on 2024-03-28
RAS (Eds.) (2024). Register of Antarctic Species.
Syracosphaera variabilis (Halldal & Markali) Okada & McIntyre, 1977. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=236053 on 2024-03-28