Alamosaurus Latest News
In a remarkable find at Big Bend National Park, United States, geology students recently uncovered a rare and nearly complete fossil of the Alamosaurus.
About Alamosaurus
- Alamosaurus is one of the largest dinosaurs known to have existed.
- Native to North America during the late Cretaceous period (100.5 to 66 million years ago) , Alamosaurus is an herbivorous sauropod with armoured spikes on its back that protect it from predator attacks.
- The sauropods were not only the largest dinosaurs but also the largest land animals ever to evolve.
- Alamosaurus is the only known sauropod in North America from the Upper Cretaceous.
- It was the largest terrestrial animal in North America during the Upper Cretaceous.
- Standing at least 11 meters (36 feet) tall, 30.5 meters (100 feet) long, and weighing 38-80 metric tons, it rivals the size of the biggest sauropods like Argentinosaurus, which lived in Argentina, South America around 97-92 million years ago.
- It has a long neck, tail, and pillar-like limbs characteristic of its family.
- Alamosaurus died out in the Cretaceous-Paleogene extinction event, making it one of the last non-avian dinosaurs to ever walk the Earth.
Source: IDR
Last updated on Sep, 2026
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