phoronis

1 definition found

phoronis - Collaborative International Dictionary of English v.0.48 :

  Phoronis \Pho*ro"nis\, n. [NL., fr. L. Phoronis, a surname of
     Io, Gr. ?.] (Zool.)
     A remarkable genus of marine worms having tentacles around
     the mouth. It is usually classed with the gephyreans. Its
     larva (Actinotrocha) undergoes a peculiar metamorphosis.
     [1913 Webster]