original description
Torrey H.B. (1902). The Hydroida of the Pacific Coast of North America. <em>University of California Publications Zoology.</em> 1: 1-104, pls 1-11., available online at https://biodiversitylibrary.org/page/29942277
page(s): 72, pl. 9 figs 87-89 [details]
basis of record
Vervoort, W.; Schuchert, P. & van der Land, J. (2000-2007). as a contribution to UNESCO-IOC Register of Marine Organisms. (look up in IMIS) [details]
From editor or global species database
Biology colonial [details]