Cornelius, P. F. S.; Manuel, R. L.; Ryland, J. S. (1995). Hydroids, sea anemones, jellyfish, and comb jellies (Phyla Cnidaria and Ctenophora). Oxford University Press. Oxford., chapter 4, edition 2nd, pp. 800
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Cornelius, P. F. S.; Manuel, R. L.; Ryland, J. S.
1995
Hydroids, sea anemones, jellyfish, and comb jellies (Phyla Cnidaria and Ctenophora)