Xu, K.; Agatha, S. & Dolan, J. (2023). World Ciliophora Database.
Undella Daday, 1887. Accessed through: RAS (Eds.) (2023) Register of Antarctic Species at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=235764 on 2023-10-03
RAS (Eds.) (2023). Register of Antarctic Species.
Undella Daday, 1887. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=235764 on 2023-10-03