Primitive Macronarians

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Macronaria is a group of Sauropods with extremely large nasal regions.  These genera are Macronarians but not members of the advanced groups Brachiosauridae or Titanosauria.

Time Period

Primitive Macronarians lived from middle Jurassic to early Cretaceous.

Common Members

Common members include Abrosaurus, Aragosaurus, Atlasaurus, Bellusaurus, Camarasaurus, Chondrosteosaurus, Dinodocus, Erketu, Europasaurus, Haplocanthosaurus, Jobaria, Marmarospondylus, and Ornithopsis



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