- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ectoprocta
There are two divisions of the Polyzoa, the Ectoprocta and the Endoprocta.Stories of the Universe: Animal Life