As nouns the difference between bryozoa and ectoproct
is that bryozoa is while ectoproct is a bryozoa or ectoprocta, a microscopic sessile moss-like aquatic animal (having the anus of the polyp outside the crown of tentacles), forming a colony.
A Bryozoa or Ectoprocta, a microscopic sessile moss-like aquatic animal (having the anus of the polyp outside the crown of tentacles), forming a colony.