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Coloniality and the Origin of Post-Triassic Tubular Bryozoans

Published online by Cambridge University Press:  19 July 2017

Richard S. Boardman
Richard S. Boardman*
Affiliation:
Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560
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Extract

Bryozoa are the only phylum in which all known species form colonies. A colony consists of one or more kinds of physically connected zooids and supporting parts, all assumed to be genetically uniform. The physically connected zooids of a colony generally grow from the sexually produced first zooid, the ancestrula (Fig. 1). Growth in asexually produced colonies is similar, but originates from the ancestrula of a parent colony.

Type
Research Article
Information
Series in Geology, Notes for Short Course , Volume 5: Lophophorates: Notes for a Short Course , 1981 , pp. 70 - 89
Copyright
Copyright © 1981 University of Tennessee, Knoxville 

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