title: Aphanostoma
text: # Aphanostoma
  
  Aphanostoma is a genus of acoel flatworms in the family Isodiametridae. Individuals can grow to 5 mm. They rely on ciliary gliding to move around. They really on ocelli for vision which are small simple eyes, found in many invertebrates, usually consisting of a few sensory cells and a single lens. They move around by ciliary gliding which is a type of locomotion in which an animal moves on a secreted layer of mucus, propelled by the beating of cilia. It is characteristic of small, soft-bodied invertebrates.
  
  The species of this genus are found in Europe.
  
  ## Species
  
  Species:
  
  * Aphanostoma adherens Meixner, 1938
  * Aphanostoma album Dörjes, 1968
  * Aphanostoma aurantiacum Verrill, 1893
  