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Macronaria


Macronaria
|-Camarasauromorpha
   |-Camarasauridae
   |  |-Camarasaurus supremus
   |  |-Camarasaurus grandis
   |  |-Camarasaurus lentus
   |  |-Camarasaurus lewisi
   |  |-?Aragosaurus ischiatus
   |  |-?Lourinhasaurus alenquerensis
   |
   |-Titanosauriformes
      |-Sonorasaurus thompsoni
      |-?Astrodon johnstoni
      |-?Atlasaurus imelakei
      |-?Eucamerotus foxi
      |-?Pleurocoelus nanus
      |
      |-Brachiosauridae
      |  |-Brachiosaurus altithorax
      |  |-Brachiosaurus atalaiensis
      |  |-?Brachiosaurus nougaredi
      |  |-Cedarosaurus weiskopfae
      |  |-Giraffatitan brancai
      |  |-Sauropseidon proteles
      |
      |-Titanosauria

Camarasaurids developed a kind of hyaena positure, with a raised back, and short neck.
They were 18-20 metres long, and had a boxy skull, with tall nostrils.

Brachiosaurids were more giraffe-like, with the forelimbs long and slender, and a tall
shoulder region, along with a very long and powerfull neck, and a tall and L shaped skull.
Sauropseidon is known to be the tallest known dinosaur, towering upto 20 metres
in the air, in comparation to Brachiosaurus (10 m) and Giraffatitan (12,5 m)

 

 

 
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