original description
Torrey, H.B. , 1904. The hydroids of the San Diego region. Univ. Calif. Publs Zool. 2 1: 1-43., available online at http://www.biodiversitylibrary.org/item/93377#41
page(s): 7, figs 2-3 [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]
additional source
Fraser, C. M. (1937). Hydroids of the Pacific Coast of Canada and the United States. <em>The University of Toronto Press, Toronto, pp. 208, pls 1-44.</em> [details] Available for editors [request]
From editor or global species database
Biology colonial polyp [details]