from the GNU version of the Collaborative International Dictionary of English

  • A peculiar larval form of Phoronis, a genus of marine worms, having a circle of ciliated tentacles.

from The Century Dictionary and Cyclopedia

  • n. An embryonic form of a gephyrean worm of the genus Phoronis (which see), which was mistaken for a distinct animal and named Actinotrocha branchiata.
  • n. The peculiar larval form of Phoronis, an aberrant genus of marine worms of doubtful affinities, being sometimes classed with the Gephyrea, sometimes with the Molluscoidea, and sometimes with the Hemichordata.


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