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 athttps://www.biodiversitylibrary.org/page/15413531 page(s): 48, figs 1-2 [details]
Schuchert, P.; Choong, H.; Galea, H.; Hoeksema, B.; Lindsay, D.; Manko, M.; Pica, D. (2025). World Hydrozoa Database. Halecium pygmaeum Fraser, 1911. Accessed through: Xu, K., An, J., Ding, L., Dong, D., Gao, Y., Huang, Y., Jiang, W., Lei, Y., Li, K., Li, X., Li, Y., Liang, X., Lin, G., Lin, M., Liu, H., Liu, J., Liu, W., Liu, X., Lu, D., Ma, Z., Ren, X., Sha, Z., Sun, J., Sun, S., Sun, Z., Tian, L., Wang, D., Wang, J., Wu, X., Xia, B., Xiao, N., Yin, J., Zhang, J., Zhang, S., Zhang, X., Zhao, E., Zheng, X., Zhou, H., Zhou, J. & Zhou, K. (2025) Chinese Register of Marine Species at: https://marinespecies.org/charms/aphia.php?p=taxdetails&id=284761 on 2026-08-13
Xu, K., An, J., Ding, L., Dong, D., Gao, Y., Huang, Y., Jiang, W., Lei, Y., Li, K., Li, X., Li, Y., Liang, X., Lin, G., Lin, M., Liu, H., Liu, J., Liu, W., Liu, X., Lu, D., Ma, Z., Ren, X., Sha, Z., Sun, J., Sun, S., Sun, Z., Tian, L., Wang, D., Wang, J., Wu, X., Xia, B., Xiao, N., Yin, J., Zhang, J., Zhang, S., Zhang, X., Zhao, E., Zheng, X., Zhou, H., Zhou, J. & Zhou, K. (2026). Chinese Register of Marine Species. Halecium pygmaeum Fraser, 1911. Accessed at: https://marinespecies.org/charms/aphia.php?p=taxdetails&id=284761 on 2026-08-13
original descriptionFraser 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 athttps://www.biodiversitylibrary.org/page/15413531 page(s): 48, figs 1-2 [details]
context source (Hexacorallia)Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
basis of recordVervoort, 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 sourceLiu, J.Y. [Ruiyu] (ed.). (2008). [Checklist of marine biota of China seas]. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors
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