title: Polistodon
text: # Polistodon
  
  Polistodon is an extinct genus of tritylodonts from the Bajocian or Callovian (Middle Jurassic) of China. It contains one species, P. chuannanensis, which is known from a single skull from the Xiashaximiao Formation. According to one study, it may be a species of the genus Stereognathus.
  
  