URMO taxon details
original description
Schydlowsky, A., 1902. Les Hydraires de la Mer Blanche le long du littoral des �les Solowetsky. Trudy Obshch. Ispyt. Prir. imp. Khar'kow 36 : 1-277. page(s): 233, pl. 3 figs 25-26 [details] 
original description
(of Halecium pygmaeum Fraser, 1911) Fraser C.M. (1911). The hydroids of the west coast of North America. With special reference to those of the Vancouver Island region. <em>Bulletin from the Laboratories of Natural History of the State University of Iowa.</em> 6: 3-91, pls 1-8., available online at https://www.biodiversitylibrary.org/page/15413531 page(s): 48, figs 1-2 [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]
redescription
Naumov D.V. (1969). Hydroids and Hydromedusae of the USSR. <em>Israel Program for scientific translation, Jerusalem.</em> Pp. i-vi, 1-631, pls 1-30, 1 folding plate. page(s): 479 [details]
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