Major Subgroups of
Bryozoa
Class:
Stenolaemata
Order:
Cryptostomata
Geological Range:
Lower
Ordovician - Upper Permian
Description:
Zooids erect and
tree-like or forming two-layered sheets. Zooids short with basal
diaphragms or incomplete partitions.
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Author: Luke Mander
Last updated: 20.11.05
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