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.

 

© Webster 1913.

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