Verseveldt, J.; Bayer, F. M. (1988). Revision of the genera Bellonella, Eleutherobia, Nidalia and Nidaliopsis (Octocorallia, Alcyoniidae and Nidalliidae), with descriptions of two new genera. <em>Zoologische Verhandelingen.</em> 245:1-131.

new combination reference

Williams, G.C. (1992). The Alcyonacea of southern Africa. Stoloniferous octocorals and soft corals (Coelenterata, Anthozoa). <em>Annals of the South African Museum.</em> 100: 249-358.

additional source

van Ofwegen, L.P., S.D. Cairns & J. van der Land (eds). (2000-2007). as a contribution to UNESCO-IOC Register of Marine Organisms.

basis of record