Marine bryozoans

Phylum Ectoprocta Class Gymnolaemata Number of families About 130

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Colonial bryozoans, usually polymorphic zooids bearing a lophophore that protrudes through the action of muscles pulling on a frontal wall of the body

Photo: Lace corals or moss animals such as Ido-dictyum sp. belong to their own phylum of lopho-phorate animals (use a lophophore for feeding) with individuals living in chambers. Each animal extends out of its box to filter feed and is extremely common in all marine habitats; shown here at Heron Island, southern Great Barrier Reef, Australia. (Photo by A. Flowers and L. Newman. Reproduced by permission.)

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