Phylactolaemata
護唇綱; 被唇綱
Phy·lac·to·læ·ma Phy·lac·to·læ·ma·ta n. pl. 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.
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