title: Gyratrix
text: # Gyratrix
  
  Gyratrix is a genus of flatworms belonging to the family Polycystididae.
  
  The genus has cosmopolitan distribution.
  
  Species:
  
  * Gyratrix hermaphroditus Ehrenberg, 1831
  * Gyratrix proaviformis Karling & Schockaert, 1977
  