McFadden, C.S.; Cordeiro, R.; Williams, G.; van Ofwegen, L. (2023). World List of Octocorallia.
Umbellula thomsoni (Kölliker, 1874). Accessed through: RAS (Eds.) (2023) Register of Antarctic Species at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=128533 on 2023-12-07
RAS (Eds.) (2023). Register of Antarctic Species.
Umbellula thomsoni (Kölliker, 1874). Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=128533 on 2023-12-07