Phy*lac`to*lae"ma (?), Phy*lac`to*lae"ma*ta (?), n. pl. [NL., fr. Gr. to guard + the gullet.] Zool.
An order of fresh-water Bryozoa in which the tentacles are arranged on a horseshoe-shaped lophophore, and the mouth is covered by an epistome. Called also Lophopoda, and hippocrepians.
© Webster 1913.