original description
Coughtrey, M. (1876). Critical notes on the New Zealand Hydroida, suborder Thecaphora. <em>Annals and Magazine of Natural History.</em> (4)17: 22-32., available online at https://www.biodiversitylibrary.org/page/19266924
page(s): 26, pl. 3 figs 4-5 [details]
original description
(of Halecium gracile Bale, 1893) Bale, W. M. 1888. On some new and rare Hydroida in the Australian Museum collections. - Proceedings of the Linnean Society of New South Wales ser 2 volume 3: 745-799, plates 12-21., available online at https://www.biodiversitylibrary.org/page/36009519
page(s): 759, pl. 14, figs 1-3 [details] 
original description
(of Halecium parvulum Bale, 1888) Bale, W. M. 1888. On some new and rare Hydroida in the Australian Museum collections. - Proceedings of the Linnean Society of New South Wales ser 2 volume 3: 745-799, plates 12-21., available online at https://www.biodiversitylibrary.org/page/36009519
page(s): 760, pl. 14 figs 4-5 [details] 
original description
(of Halecium flexile var. japonica Leloup, 1938) Leloup, E., 1938. Quelques hydropolypes de la baie de Sagami, Japon. Bull. Mus. r. Hist. nat. Belg. 14 28: 1-22.
page(s): 4, fig. 1. [details] Available for editors 
original description
(of Halecium flexile Allman, 1888) Allman, G. J. (1888). Report on the Hydroida dredged by H. M. S. Challenger during the years 1873-76. Part II.- The Tubularinae, Corymorphinae, Campanularinae, Sertularinae, and Thalamophora. <em>Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–76. Zoology.</em> 23 (part 70): i-lxix, 1-90, pl. 1-39., available online at https://biodiversitylibrary.org/page/49519881
page(s): 11, pl. 5 figs 2 & 2a [details]
context source (Deepsea)
Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
context source (Hexacorallia)
Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
basis of record
van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 112-120 (look up in IMIS) [details]
additional source
Millard, N.A.H. (1975). Monograph on the Hydroida of southern Africa. <em>Annals of the South African Museum.</em> 68: 1-513., available online at https://www.biodiversitylibrary.org/page/40921697
page(s): 145 [details] 
additional source
Schuchert, P., 2005. Taxonomic revision and systematic notes on some Halecium species (Cnidaria, Hydrozoa). Journal of Natural History 39 8: 607-639., available online at https://doi.org/10.1080/00222930400001319 [details] Available for editors 
additional source
Cairns, S.D., L. Gershwin, F.J. Brook, P. Pugh, E.W. Dawson, O.V. Ocaña, W. Vervoort, G. Williams, J.E. Watson, D.M. Opresko, P. Schuchert, P.M. Hine, D.P. Gordon, H.I. Campbell, A.J. Wright, J.A.Sánchez & D.G. Fautin. (2009). Phylum Cnidaria: corals, medusae, hydroids, myxozoans. <em>in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia.</em> :59-101., available online at https://repository.si.edu/handle/10088/8431 [details] Available for editors 
additional source
Watson, J. E. (2024). The marine hydroids of south-eastern Australia (Cnidaria: Hydrozoa). <em>Museum Victoria Science Reports.</em> 22: 1-121., available online at https://doi.org/10.24199/j.mvsr.2024.22
page(s): 71, figs 126-127 [details] Available for editors 
From editor or global species database
Type locality Dunedin upper Harbour [details]Unreviewed
Distribution Cosmopolitan (World Oceans) [details]
Distribution Reportedly cosmopolitan (Peña Cantero and Garcïa Carrascosa 2002) not in the Artic regions [details]
Spelling delicatum [details]