Bryozoa (moss animals)

Typical Examples
Bowerbankia, Plumatella, sea mats, sea moss

Main features:
Microscopic, aquatic deuterostomes that form branching colonies; possess circular or U-shaped row of ciliated tentacles for feeding called a lophophore that usually protrudes through pores in a hard exoskeleton; also called Ectoprocta because the anus, or proct, is external to the lophophore; marine or freshwater.