Hydroids, sea anemones, jellyfish and comb jellies ( Phylla Cnidaria and Ctenophora)
Cornelius, P.F.S.; Manuel, R.L.; Ryland, J.S. (1996). Hydroids, sea anemones, jellyfish and comb jellies ( Phylla Cnidaria and Ctenophora), in: Hayward, P.J. et al. (Ed.) (1995). Handbook of the marine fauna of North-West Europe. pp. 62-135
In: Hayward, P.J.; Ryland, J.S. (Ed.) (1995). Handbook of the marine fauna of North-West Europe. First edition. Oxford University Press: Oxford. ISBN 0-19-854054-X. XI, 800 pp., more
