McFadden, C.S.; Cordeiro, R.; Williams, G.; van Ofwegen, L. (2024). World List of Octocorallia. Umbellulidae Kölliker, 1880. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=128486 on 2024-11-20
basis of recordWilliams, G.C.; van der Land, J. (2001). Octocorallia - Pennatulacea. <em>in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification.</em> Collection Patrimoines Naturels 50: pp. 105-106. (look up in IMIS) [details]
additional sourceWilliams, G. Pennatulacea checklist for ERMS2. [details]
additional sourceWilliams G.C. (1995). Living genera of sea pens (Coelenterata: Pennatulacea): illustrated key and synopses. Zoological Journal of the Linnean Society, 113, pp. 93-140. page(s): 118-119 [details]