Bryozoans
Also called "moss animals". Small colony building animals with a calcite skeleton. In every chamber there is a separate animal with tentacles to filter food from the seawater. The colonies can be shaped as a branch, fan or crust.
They occur in sediments from the Ordovician period until recent. Most colonies are rather small. Most species live in the oceans, but there are also several freshwater species.
Example of a bryozoan.
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 Go to the Photo page to view photographs of Bryozoans. |
