DINOSAURS FAMILY TREE

                                       MARGINOCEPHALIANS

 These consisted of cetropsians, like this pentaceratops with its 

huge horned neck-frill, and pachycephalosaurs with very strong , 

armoured skulls .

            

                                                           THEROPODS

 Spinosaurus was one of the biggest theropods- the group that 
        included all the powerful hunters. They all walked on their hind legs,and many had feathers.



                                                       ORNITHOPODS

  One of the most successful groups of dinosauras , the ornithopods ranged from light weight animals that ran on two legs to heavy weights like this Muttaburrasaurus. They were all plant-eaters.


                            THYREOPHORANS

 The thyreophorans included the heavily armoured ankylosaurs and stegosauras such as this spiny Kentrosaurus.



                         
                       SAUROPODOMORPHS

 The  sauropodomorphs included the biggest dinosaus- colossal animal such as Brachiosaurus .They were all plant-eaters that supported their immense weight on four pillar-like legs resembling those of elephants. They had very long necks.Which were often balanced by equally long tails.