<?xml version="1.0"?>
<dinosauria>
   <group name="saurishia">
         <subgroups>
             <group name="therepods">
                <subgroups>
                  <group name="carnosaurs">
                     <speciesList>
                        <species age="70">Dyptosaurus</species>
                        <species age="170">Megalosaurus</species>
                        <species age="67">Tyrannosaurus</species>
                     </speciesList>
                 </group>
            <group name="coelurosauria">
                <speciesList>
                   <species age="84">Velociraptor</species>
                   <species age="110">Deinonychus</species>
                   <species age="228">Eoraptor</species>
                </speciesList>
            </group>
       </subgroups>
   </group>
   <group name="sauropodomorphia">
       <subgroups>
           <group name="sauropods">
                <speciesList>
                    <species age="155">Brachiosaurus</species>
                    <species age="155">CAmarasauros</species>
                </speciesList>
            </group>
      </subgroups>
   </group>
</subgroups>