Skip to main content


Sauroposeidon was a giant plant-eating dinosaur that lived in North America around 100 million years ago. It was the tallest dinosaur ever found, with a neck that could reach up to 60 feet high. In this article, we will learn about Sauroposeidon’s physical features, where it lived, and some interesting facts about this giant creature.

worlds tallest dinosaur

What Is The Tallest Dinosaur?

What was the tallest Dinosaur in the world? Scientists believe that the tallest dinosaur ever found was called Sauroposeidon proteles, and it lived in North America around 100 million years ago. This dinosaur could grow up to 18.5 meters (61 feet) tall, taller than a six-story building.

What is the biggest dinosaur ever found?

How Tall Is The Tallest Dinosaur?

Sauroposeidon’s neck was around 11-12 meters (37-39 feet) long, and it could lift its head to 16.5-18 meters (54-59 feet) above the ground. Sauroposeidon was also very big, around 27-34 meters (89-112 feet) long, and had a shoulder height of 6-7 meters (20-23 feet). According to these measurements you can imagine how tall was the tallest dinosaur.

Sauroposeidon was a giant dinosaur that weighed around 40-60 tonnes (44-66 short tons). Even though it had a longer neck than Giraffatitan, its body was smaller. Scientists think that sauropods like Sauroposeidon may have had air sacs like birds, which could mean they weighed 20% less than previously believed.

How tall is the tallest dinosaur?

Sauroposeidon; The Tallest Dinosaur Ever

In 1999, the tallest dinosaur ever named Sauroposeidon was found, and it became famous all over the world. People thought it was the biggest dinosaur ever, but that’s not true. While it was probably the tallest dinosaur ever known, other dinosaurs were longer and heavier. Two dinosaurs, Maraapunisaurus and Argentinosaurus, could be the biggest, but we can’t be sure because we don’t have all the bones.

Researchers found four long neck bones of a dinosaur called Sauroposeidon. The bones were light and easy to pick up because they had small air pockets. The dinosaur’s neck bones also had long ribs, the longest measuring 3.42 meters. It was even longer than the longest rib found in Giraffatitan, another type of dinosaur.

Sauroposeidon; The Tallest Dinosaur Ever

Physical Attributes of Sauroposeidon

1. Size & Weight of Giant Dinosaur

This giant dinosaur had a long neck and legs that helped it reach high into the trees to eat leaves and branches. Also, because it was so big, it was hard for other animals to attack it. Sauroposeidon was a graceful animal with light bones and a long tail that helped it balance.

2. Thin But Strong Legs of Sauroposeidon

Sauroposeidon had lightweight and strong bones because they were filled with small air pockets. It helped the dinosaur breathe better and made it easier to hold up its massive head and neck. Birds also have this feature in their bones.

The Ecosystem of Sauroposeidon

Sauropods were the biggest animals on land ever. They were found everywhere and were very different from each other. But we only have a few fossils of sauropods from the Early Cretaceous time. And those that we have are often incomplete or young. Plus, most sauropods from that time were also getting smaller in size. So, finding Sauroposeidon, a massive sauropod from the Early Cretaceous, was very surprising.

Sauroposeidon lived in a place with swamps, lagoons, and other dinosaurs. It had two types of predators: Acrocanthosaurus atokensis and Deinonychus antirrhopus. Other animals in the same area were amphibians, reptiles, fish, crocodilians, turtles, and maybe birds. The most common fish in the region was the gar Lepisosteus.

tallest dinosaur ever in the world

You can also read Tallest Animals in the World.

What Food Sauroposeidon Eat?

Sauroposeidon was a plant-eater with a long neck, which helped it eat leaves from tall trees like conifers, magnolias, palms, and sycamores. To stay healthy, it needed to consume around one ton of plants every day. If Sauroposeidon’s neck was not long, it would have had to eat vegetation close to the ground.

What Food Sauroposeidon Eat?

Where Was The Biggest Dinosaur Found?

Scientists found the first remains of Sauroposeidon proteles in Oklahoma in 1994. These remains were four neck bones initially considered too big to be animal or tree remains.

However, in 1999, a graduate student named Matt Wedel realized their significance and published a research paper in the Journal of Vertebrate Paleontology in 2000. The bones belonged to a new species called S. Proteles, which became famous in the media because some sources incorrectly claimed it was the most giant dinosaur.

Sauroposeidon is the name given to a type of dinosaur. It got its name from two Greek words: “sauros,” which means lizard, and “Poseidon,” the god of the sea and earthquakes. People think that sauropods were so big and heavy that they caused the ground to shake when they walked.

During the Early Cretaceous period, there was a giant dinosaur called Sauroposeidon proteles in North America. In 2012, scientists found more bones and footprints from this dinosaur in Texas. Paluxysaurus was a dinosaur that lived in Texas. We used to think it was a different type of dinosaur, but now we know it’s the same as another dinosaur called Sauroposeidon proteles.

Interesting Facts About The Heaviest Dinosaur In The World

  • Sauroposeidon means “earthquake lizard-god” in Greek.
  • They were the largest dinosaurs to ever walk on Earth.
  • Sauroposeidon lived during the Early Cretaceous period, about 112 to 100 million years ago.
  • Sauroposeidon was a herbivore, which means it ate plants.
  • It had a long neck that could reach up to 60 feet (18 meters) into the air.
  • It did not have any predators, so it did not need to develop any defenses.

You can also read about Giraffe is the Tallest animal in the world.


Sauroposeidon was the tallest and the heaviest dinosaur that lived a long time ago. We’ve learned a lot about its body, what it ate, and the world it lived in. Even though it wasn’t the heaviest dinosaur, its height and strong bones made it special. Sauroposeidon is an amazing example of the different types of life that used to live on Earth and left a significant impact on our planet’s history.

If you want read more about Tallest Youtuber in the world / Tallest Buildings in Japan and many more articles kindly click the link at Tallestly.


What was the tallest dinosaur?

Sauroposeidon was the tallest dinosaur ever lived on Earth. It is believed to have grown up to 61 feet tall.

How tall was the tallest dinosaur?

Scientists believe that the tallest dinosaur was the Sauroposeidon. It was around 61 feet tall, which is huge! It is confirmed by looking at its fossils, including some big neck bones.

Leave a Reply