Source : Webster's Revised Unabridged Dictionary (1913)

Anomural \An`o*mu"ral\, Anomuran \An`o*mu"ran\, a.
   Irregular in the character of the tail or abdomen; as, the
   anomural crustaceans. [Written also {anomoural},
   {anomouran}.]

Anomuran \An`o*mu"ran\, n. (Zo["o]l.)
   One of the Anomura.