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Reproduction in British zoanthids, and an unusual process in Parazoanthus anguicomus

Published online by Cambridge University Press:  31 October 2000

J.S. Ryland
Affiliation:
School of Biological Sciences, University of Wales Swansea, Swansea, Wales, SA2 8PP, UK, E-mail: [email protected]

Abstract

Specimens of three zoanthid species, Epizoanthus couchii, Parazoanthus anguicomus and P. axinellae were sectioned. All were gonochoric, with gametes developing during summer. Oocytes in P. anguicomus originate in a single-layered ribbon down the perfect septa, but the ribbon becomes moniliform as, at regular intervals, it folds laterally into lens-shaped nodes, packed with oocytes, doubling polyp fecundity.

Type
Brief Report
Copyright
2000 Marine Biological Association of the United Kingdom

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