Major Subgroups of
Bryozoa
Class:
Gymnolaemata
Order:
Cheilostomata
Geological
Range: Jurassic
- Recent
Description:
Box-shaped
calcareous zooids. Orifice closed by a hinged operculum. Embryos
brooded in ovicells. There are four suborders, defined on the
mechanism by with the lophophore is protruded. The image below
shows an SEM photo of a colony of Antropora leucocypha.
Colonies of A. leucocypha are encrusting in single or multiple
layers, and are typically a whitish to pink or magenta color.
Individual zooids are variable in shape, but are generally oval,
narrowing toward the distal portion.
Photo by J. Winston, courtesy of Smithsonian Marine
Station,
Fort Pierce, FL.
Back
to Subgroups Table
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
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