the phylum Bryozoa, especially as distinguished from the phylum Entoprocta by a body plan having the anus of the polyp outside the crown of tentacles.
Origin of Ectoprocta
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Examples from the Web for ectoprocta
Historical Examples of ectoprocta
There are two divisions of the Polyzoa, the Ectoprocta and the Endoprocta.Stories of the Universe: Animal Life