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The Identity of Some Cyphonautes Larvae (Polyzoa)

Published online by Cambridge University Press:  11 May 2009

J. S. Ryland
J. S. Ryland
Affiliation:
Fisheries Laboratory, Lowestoft
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Summary

Five cyphonautes are described in Nordisches Plankton (Lohmann, 1911). Cyphonautes schneideri and C. borealis are larvae of Membranipora membranacea and represent extremes of variation in the shape of the shell. Cyphonautes balticus, like C. compressus which was very inadequately described, is the larva of Electra pilosa. The cyphonautes of these two species are the only ones likely to be encountered in the plankton of normally saline European seas. Cyphonautes barroisi is the larva of the brackish-water Electra crustulenta.

Cyphonautes balticus Thorson (1946), not Lohmann, is the larva of M. membranacea.

Larval synonymies for M. membranacea and E. pilosa are given.

The use of the Cyphonautes names is undesirable, and those of the polyzoan adults should be employed.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 44 , Issue 3 , October 1964 , pp. 645 - 654
Copyright
Copyright © Marine Biological Association of the United Kingdom 1964

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