Alamosaurus
23.04.2025
Alamosaurus
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For Prelims: About Alamosaurus |
Why in the news?
In a remarkable find at Big Bend National Park, United States of America, 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: Down to earth
With reference to Alamosaurus, consider the following statements:
1. Alamosaurus is one of the largest dinosaurs known to have existed.
2. Alamosaurus is the only known sauropod in North America from the Upper Cretaceous.
3.It was the largest terrestrial animal in North America during the Upper Cretaceous.
How many of the statements given above are correct?
A.Only one
B.Only two
C.All three
D.None
Answer C