Alamosaurus Dinosaur Facts

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Dinosaur Jungle   >   Dinosaur Names   >   Alamosaurus
Dinosaur Jungle   >   Dinosaur Types   >   Alamosaurus



dinosaur picture alamosaurus

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Scientific Classification
  Kingdom Animalia
  Phylum Chordata
  Class Sauropsida
  Superorder Dinosauria
  Order Saurischia
  Suborder Sauropodomorpha
  Infraorder Sauropoda
  (unranked) Titanosauria
  Family Saltasauridae
  Genus Alamosaurus
Alamosaurus was a massive plant-eater (herbivore) that lived in the late Cretaceous period, between about 70 and 65 million years ago, in North America - in the region that is today the southwestern part of the United States.

Alamosaurus was usually around 69 feet (21 meters) long, and probably weighed around 33 tons.

The first fossils of Alamosaurus were found by Charles W. Gilmore in 1922. He found a pelvic bone ("ischium") and a shoulder bone ("scapula"). Later in 1946, Gilmore discovered further fossils, including a complete tail, a nearly complete right forelimb, and both pelvic bones ("ischia"). Various other Alamosaurus fossils have also subsequently been found in the southwestern US, but no skull material (other than a few teeth) have yet been found.


Alamosaurus Timeline:

Alamosaurus was a herbivore (plant-eater) that lived from 70 to 65 million years ago

Alamosaurus was a herbivore (plant-eater) that lived from 70 to 65 million years ago

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Alamosaurus Facts

Here is a summary of some of the key facts about Alamosaurus:
  1. Alamosaurus was a genus of dinosaur.

  2. "Alamosaurus" means "Alamo lizard" ("Alamo" refers to the Ojo Alamo Formation, the former name of a geological formation (today known as the "Kirtland Shale") in New Mexico, and does not refer to The Alamo in Texas). The name was chosen by Charles W. Gilmore in 1922.

  3. Alamosaurus was a member of the Saurischia ("lizard-hipped") order of dinosaurs. What this means, is that although Alamosaurus was not closely related to lizards, it did have similarly shaped pelvic bones.

  4. Alamosaurus was a Sauropod - a member of a group of related large quadrupedal herbivorous (plant-eating) dinosaur with long necks.

  5. Alamosaurus lived between about 70 million years ago and 65 million years ago, during the late Cretaceous period.

  6. Alamosaurus was one of the dinosaurs which died out during the Cretaceous-Tertiary mass extinction at the end of the Mesozoic Era.

  7. Alamosaurus lived in North America, Many fossils have been found in what is today the Southwestern United States.

  8. Alamosaurus was a herbivore (plant-eater).

  9. Alamosaurus was usually about 69 feet (21 meters) long.

  10. Alamosaurus weighed an estimated 33 tons.

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