original description(of)Billard A. (1913). Les Hydroides de l'expedition du SIBOGA. I Plumulariidae. <em>Siboga Expeditie.</em> 7a: 1-115, pls 1-6., available online athttps://www.biodiversitylibrary.org/page/2228121 page(s): 68, fig. 55 [details]
redescriptionGalea, H. R.; Di Camillo, C. G. (2016). Rediscovery and redescription of Gymnangium sibogae (Billard, 1913) (Cnidaria: Hydrozoa: Aglaopheniidae). <em>Marine Biodiversity.</em> , available online athttps://doi.org/10.1007/s12526-016-0511-4[details]