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Predentata


Predentata
|-Galtonia gibbidens
|-Pekinosaurus olseni
|-Pisanosaurus merti
   |
   |-Fabrosaurus australis
   |-Leshotosaurus diagnosticus
   |-?Gongbusaurus shiyii
   |-?Gongbusaurus wucaiwanensis
      |
      |-Genasauria
         |-Echinodon becklessi
         |-Taveirosaurus costai
         |-?Thecospondylus horneri
            |
            |-Cerapoda

These were the first of the Predentates (aka Ornithischians).
These tiny critters (average 1 metre), two legged, beaked, were the common
ancestors of the mighty Ceratopids, Iguanodonts and
armoured Thyerophorians.

 

 

 
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