Arizonasaurus
Arizonasaurus was a ctenosauriscid archosaur from the Middle Triassic (240 million years ago). Arizonasaurus is found in the Middle Triassic Moenkopi Formation of northern Arizona. It has a large sailback formed by elongate neural spines of the vertebrae. The type specie is Arizonasaurus babbitti. It was around 6 meters ( 19.6 feet ) long.
https://www.renderosity.com/mod/bcs/arizonasaurusdr/89005/
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