Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry).
Cosmarium clepsydra var. depressum M.Hirano, 1979. Accessed through: RAS (Eds.) (2025) Register of Antarctic Species at: https://ras.biodiversity.aq/aphia.php/www.pfeil-verlag.de/04biol/aphia.php?p=taxdetails&id=1466488 on 2025-06-17
RAS (Eds.) (2025). Register of Antarctic Species.
Cosmarium clepsydra var. depressum M.Hirano, 1979. Accessed at: https://ras.biodiversity.aq/aphia.php/aphia.php?p=taxdetails&id=1466488 on 2025-06-17