Australian Hydroids, based largely on the works of Jan Watson, Honorary Associate, Museum Victoria. Data assembled and imported from original sources by Hugh MacIntosh, Museum Victoria
Holotype: TM K1702, CSIRO Cruise SSO1/97, Stn 57, 44.18°S 146.99°E to 44.21°S 146.95°E, depth 900-1100 m, benthic sledge, 65.1 km SSE of South East Cape, Tasmania. One large branched colony 40 cm high on dead colonial coral Solenosmilia variabilis Duncan, 1873.
Holotype: TM K1710, CSIRO Cruise SSO1/97, Stn 36, 44.27°S 147.33°E to 44.24°S 147.36°E, depth 987 m, 83.8 km SSE of South East Cape, Tasmania. Infertile colony comprising two stems, 45 mm and 65 mm high with one side branch, stems detached from hydrorhiza;