title: Monocystinae
text: # Monocystinae
  
  The Monocystinae are a subfamily of parasitic alveolates in the phylum Apicomplexa.
  
  ## Taxonomy
  
  There are seven genera in this subfamily.
  
  The type genus is Monocystis.
  
  ## History
  
  This subfamily was created by Bütschli in 1882 and modified by Bhatia in 1930.
  
  ## Description
  
  The species in this subfamily are cylindroid in shape with a mucron at the anterior end.
  
  The trophozoites are solitary.
  
  Syzygy occurs late in the life cycle.
  
  They parasitise the coelom of earthworms and are spread by the orofaecal route.
  
  