First issued in release COL20.12.
Last used in release COL23.9
Published in
Hastings, A. B. (1932). The Polyzoa, with a note on an associated hydropolyp. Sci. Rep. Gr. Barrier Reef Exped, 4(12): 399–458. https://www.marinespecies.org/hydrozoa/aphia.php?p=sourcedetails&id=24480