(of)Hickson, S. J., & Gravely, F. H. (1907). II Hydroid Zoophytes. <em>National Antarctic Expedition.</em> 3: 1-33, plates 1-4., available online athttps://www.biodiversitylibrary.org/page/854217 page(s): 4, pl. 1 fig. 1-3, pl. 4 fig. 32 [details]
Schuchert, P. (2024). World Hydrozoa Database. Rhizorhagium antarcticum (Hickson & Gravely, 1907). Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits./aphia.php?p=taxdetails&id=173851 on 2024-10-08
Marine Species Traits editorial board (2024). Marine Species Traits. Rhizorhagium antarcticum (Hickson & Gravely, 1907). Accessed at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=173851 on 2024-10-08
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 athttps://www.biodiversitylibrary.org/page/854217 page(s): 4, pl. 1 fig. 1-3, pl. 4 fig. 32 [details]
basis of recordCnidaria Antarctic checklist (look up in IMIS) [details]
redescriptionSchuchert 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. page(s): 41 [details]
Present Inaccurate Introduced: alien Containing type locality