original description
(of ) Hickson, S. J., & Gravely, F. H. (1907). II Hydroid Zoophytes. <em>National Antarctic Expedition.</em> 3: 1-33, plates 1-4., available online at https://www.biodiversitylibrary.org/page/854217
page(s): 4, pl. 1 fig. 1-3, pl. 4 fig. 32 [details] 
basis of record
Cnidaria Antarctic checklist (look up in IMIS) [details]
redescription
Schuchert P. (1996). The marine fauna of New Zealand: Athecate hydroids and their medusae (Cnidaria: Hydrozoa). <em>New Zealand Oceanographic Institute Memoir.</em> 106 : 1-159., available online at https://archive.org/details/nzoimemoir01061996/mode/2up
page(s): 41, fig. 41a-d; note: as Gravelia antarcticum [details] 
Present
Inaccurate
Introduced: alien
Containing type locality
From editor or global species database