First issued in release COL20.12.
Last used in release COL23.4
Published in
Sars, G. O. (1874). Bidrag til Kundskaben om Norges Hydroider. - Forhandlinger i Videnskabs-Selskabet i Kristiana 1873: 91-150, pls 2-5. https://www.marinespecies.org/hydrozoa/aphia.php?p=sourcedetails&id=34710