(Zool.) A suborder of Bryozoa, usually having a circle of bristles below the tentacles.
Ctenostomata
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Ctenostomata
[‚ten·ə′stäm·ə·də] (invertebrate zoology) An order of bryozoans in the class Gymnolaemata recognized as inconspicuous, delicate colonies made up of relatively isolated, short, tubular zooecia with chitinous walls.