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Major Subgroups of Bryozoa

 

Class: Stenolaemata

Order: Trepostomata

 

Geological Range: Ordovician - Triassic

 

Description: "Stony bryozoans" forming massive colonies. Zooids thin-walled at base but become thick towards their tops. Pores absent. Form stick-like or globular colonies up to 50cm across.

 

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Author: Luke Mander
Last updated: 20.11.05
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Websites produced by students on the MSc Palaeobiology programme in the Department of Earth Sciences at the University of Bristol for academic year 2005-6