McFadden, C.; Cordeiro, R.; Williams, G.; van Ofwegen, L. (2022). World List of Octocorallia.
Protoptilum Kölliker, 1872. Accessed through: RAS (Eds.) (2022) Register of Antarctic Species at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=128498 on 2023-03-31
RAS (Eds.) (2023). Register of Antarctic Species.
Protoptilum Kölliker, 1872. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=128498 on 2023-03-31