Literature
- Båmstedt, U., J.H. Fosså, M.B. Martinussen and A. Fosshagen 1998. Mass occurrence of the physonect siphonophore Apolemia uvaria (Lesueur) in Norwegian waters. Sarsia, 83: 79-85.
- Fraser, J.H. 1950. List of rare exotic species found in the plankton by the Scottish research vessels in 1949. Annales Biologiques, Vol. VI: 95-99. Conseil Permanent pour l'Exploration de la Mer, Kopenhagen.
- Greve, W. 1994. The 1989 German Bight invasion of Muggiaea atlantica. ICES Journal of Marine Science. 51: 355-358.
- Kirkpatrick, P.A. and P.R. Pugh 1984. Siphonophores and Velellids. Synopses of the British Fauna (New Series), No. 29. Brill/Backhuys, London.
- Lindley, J.A., J. Roskell, A.J. Warner, N.C. Halliday, H.G. Hunt, A.W.G. John and T.D. Jonas 1990. Doliolids in the German Bight in 1989: Evidence for exceptional inflow into the North Sea. J. mar. biol. Ass. U.K., 70: 679-682.
- Totton, A.K. 1965. A synopsis of the Siphonophora. British Museum (Natural History). London, 230 pp, 153 figs, 40 pls.
- Totton, A.K. and J.H. Fraser 1956a. Siphonophora. Suborder: Calycophorae. Family: Diphidae. Genus: Lensia. Fiches d'Identification du Zooplancton, 55 (1955). Conseil International pour l'Exploration de la Mer, Kopenhagen.