This strange sauropod had a large sail over it's neck, or as well a row of spikes, as shown here.
The sail could have the same function as the Spinosaurus/Ouranosaurus sail, while spikes
would work more as display or perhaps even defense.
DATA
Amargasaurus cazaui
| Lenght | 12 m |
| Weight | ca 15 tonnes |
| Time | 127 mya |
| Place | Argentina |
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