Alamosaurus

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Learn more about the Alamosaurus

Quick Facts
NameAlamosaurus
Diet
Weight50,000 kilos
Length21 meters
Height13 meters
Period
Alamosaurus
Human

Alamosaurus was a herbivore that lived in the Late Cretaceous period and inhabited North America. It was first discovered in San Juan County, New Mexico. It was named after Ojo Alamo in New Mexico, where the first specimens were found early in 1922. Alamosaurus became extinct at the very end of the Mesozoic Era, during the mass extinction episode that wiped out many other species. 

It was a member of the Sauropod dinosaur lineage. Sauropods were known for not only the largest dinosaurs but also the largest land animals ever to evolve. Alamosaurus belonged to a large Titanosaur, the most common group of more advanced Sauropod dinosaurs. It was a gigantic quadrupedal herbivore with a long neck and tail and relatively long limbs. The body was at least partly covered in bony armor. Alamosaurus could have grown to enormous sizes about 10 times more than African elephants. 

The skull of Alamosaurus was unknown but a rod-shaped teeth had been found along with Alamosaurus skeletons and probably belonged to this dinosaur. They preferred a semi-arid climate, with open plains, instead of a forest environment full of swamps. It shared an environment with the giant pterosaur Quetzalcoatlus, which also preferred similar biomes.

 Alamosaurus reached around 60 feet long and weighed about 30 tons or even bigger.

What did the alamosaurus eat?

Alamosaurus was a herbivore that ate plants, cycads, ferns, conifers or flowering plants.

What does alamosaurus mean?

Alamosaurus means "Poplar Lizard" based on a huge incomplete tibia that probably refers to it.

Where was the Alamosaurus found?

Alamosaurus was first discovered in San Juan County, New Mexico. It was named for Ojo Alamo in New Mexico, where the first specimens were found in early 1922. 

Where did they live?

When did they live?

What was your diet?

Who discovered them?

What kind of dinosaurs are they?

What type of species are they?

geological time 3

Fun Facts

  • Alamosaurus was a giant plant-eating dinosaur of the Late Cretaceous period.
  •  It was Charles W. Gilmore who discovered the Alamosaurus fossil. 
  • It was named after a New Mexico sandstone formation. That sandstone formation is known as Ojo Alamo.
  •  Alamosaurus had a small head.
  •  Alamosaurus lived alongside Tyrannosaurus rex.

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