Literature
Authors(s) Kirkpatrick, P.A. and Pugh, P. R.
Year 1984
Title Siphonophores and Velellids. Synopses of the British Fauna (New Series.) No 29. The Linnean Society of London and The Estuarine and Brackish-Water Sciences Association. E. J. Brill/Dr W. Backhuys Leiden. 154pp.