The large-bodied lizard

  • Name: Bruhathkayosaurus
  • Diet: Herbivore
  • Weight: 220 tons
  • Period: Upper Cretaceous
  • Found In: India

The Bruhathkayosaurus is a Titanosaurus sauropod dinosaur and could have weighed up to 220 tons. The existence of this dinosaur is quite questionable, but if it had actually existed it would certainly have been one of the heaviest dinosaurs ever found.

In addition to being one of the heaviest, it would also have been one of the largest, although its questionable existence is what precedes it.

There is currently no fossil evidence for this genus of dinosaur and everything is based on somewhat incomplete descriptions of the dinosaur.

Basic information about the Bruhathkayosaurus

If the existence of this Titanosaurus dinosaur were true, we would encounter one of the most spectacular dinosaurs ever discovered. Based on what we have, we can make the following estimates about Bruhathkayosaurus.

  • How long is it? According to the samples obtained, it is believed to have been approximately 30 to 50 meters long.
  • What is your height? The possibility is being considered that it was between 4 and 7 meters high.
  • What is your weight? According to the data we have, the Bruhathkayosaurus could weigh between 80 and 220 tons.
  • When did he live? This dinosaur inhabited our Earth 70 million years ago.
  • Which one’s his family? The family of this type of dinosaur is the family of Titanosaurus sauropods.

The weight and length of this species are really impressive. If we compare them to other dinosaurs, there are few more that have these characteristics.

We could compare these characteristics with those of Argentinosaurus, considered one of the largest and heaviest.

Bruhathkayosaurus taxonomy

Animal Kingdom > Phylum Chordata > Sauropsida Class > Superorder Dinosauria > Order Saurischia > Suborder Sauropodomorpha > Infraorden Sauropoda > Superfamily Titanosaurids > Genus Bruhathkayosaurus

For the time being, there is only one discovered species of this genus of dinosaur, the Bruhathkayosaurus matleyi. In any case, it is not ruled out that in the future the number of species may increase, in which case we will update the information shown here.


Why were they called Bruhathkayosaurus?

According to estimates, in addition to being very heavy, it is also one of the largest dinosaurs in history. That is why its discoverers gave it that name.

It is a name of Indian origin and translated into our language would be large-bodied lizard.

The Indian words bruhath and kaya mean great and body respectively. We added the famous Greek suffix sauros which means lizard and found its translation of large-bodied lizard.

The family: the Titanosaurus sauropods

There is a lot of confusion about which family this dinosaur is in. What’s more. there was a time when the possibility of a theropod was considered. Finally, the Bruhathkayosaurus has been classified within the superfamily of Titanosaurus.

In order to learn more about this dinosaur, it is recommended to know a little more about the characteristics and features of its family.

The superfamily of Titanosaurus belongs to the sauropods. Let’s talk a little about its main features. When we speak of sauropods, we speak of large dinosaurs with the peculiarity of having a really long neck, thick legs, a small head and a very robust tail.

Sauropods have a large number of cervical vertebrae, in total about 10 or more.

Let’s talk about more specific traits of the titanosaurids. The heads of the Titanosaurus were even smaller than the rest of the sauropods, which already had small heads. Despite this, the skull they had was quite wide.

However, they had large nostrils in the shape of windows (holes directly over the face) and protruded into a crest.

There were two types of teeth within this superfamily, spatula teeth (like a spoon) and teeth like pencils or pegs. What both types of teeth did share is that they were small in size.

The necks of these prehistoric lizards were neither long nor short, they were found in the average neck length of the sauropods.

Their defensive weapon is the tail, which they used as if it were a whip. They leaned on their forwards which were much more robust than the rear ones and in some cases even longer.

The vertebrae they had were solid and not hollowed out like those of a camarasaurus, their weight is much higher than the previous ones.

This strength and especially the weight on his back did not prevent him from having a flexible spine. The titanosaurs were probably more flexible and agile than their cousins.

When and where did this Bruhathkayosaurus live?

Probably if we were to travel 70 million years ago, apart from being like ants to all the dinosaurs there are, we would find the Bruhathkayosaurus among them all.

In somewhat more scientific terms, we would find ourselves in the Upper Cretaceous Maastricht. The Maastricht Age is the last age that exists within the Mesozoic Age, with the fall of the meteorite that meant the end of the existence of the dinosaurs.

There is really not much information as to what area these extinct animals inhabited. But if you had to put your hand on the fire, it would most likely be for India. There were found the only supposed fragments of this dinosaur found.

In addition, even though no other remains of it were found, most of the Titanosaurus have been found in the Indian area.

Titanosaurus have also been found in other areas. In South America, Europe and Madagascar, several remains of different titanosaurs have been rescued, so it cannot be ruled out that it inhabited these areas.

What did Bruhathkayosaurus eat?

When we talk about dinosaurs, one imagines a giant animal with big claws and sharp teeth, just as they paint it in many films like Jurassik Park. And that’s because those dinosaurs existed and were probably as fierce as they paint it, but not all of them.


The Bruhathkayosaurus being a large size dinosaur it might be logical to think that it is a great depredator, but it is not so. Titanosaurian sauropods were characterized by serving as herbivores.

Remains of fossilized manure of titanosaurs have been found and in them, fragments of silicified plants have been observed, indicating a fairly broad and non-selective plant diet.

Not only would they have fed on conifers and cicadas, they also saw pieces of monocots (palms and grasses) and surprisingly similar to today’s rice and bamboo.

Who discovered the Bruhathkayosaurus?

The remains of the Bruhathkayosaurus were found for the first and only time in southern India. To be more specific with the location, in a village called Tiruchirappalli which belongs to the area of Tamil Nadu.

Discoverers Yadagiri and Ayyasami found the remains in 1989. They also described the dinosaur and curiously classified it as a carnosaur, a predator.

Later, Sankar Chatterjee after careful examination of the remains in 1999, classified this dinosaur as a sauropod. It is a unique specimen that has been classified as the genus Bruhathkayosaurus.

This genus includes only one species called Bruhathkayosaurus malteyi (the one that has been discovered).

The age of the remains was estimated at 70 million years ago. This is because they found the remains in rocks that belong to the Maestrichtian Age.

More specifically, in the Upper Cretaceous Maastricht (66 to 72 million years old).

The Bruhathkayosaurus: reality or myth?

It is first classified as a fleshynosaurus, then as a Titanosaurus and finally its existence is questioned. The Bruhathkayosaurus may have appeared to die a second time.

No one doubts that if its existence were true, it would be one of the largest and heaviest dinosaurs ever discovered.

The controversy arises around their existence and the veracity of the remains. And there is no shortage of reasons to doubt its existence because after reading the following at least you will have doubts that can never be answered.

Unlike other dinosaurs discovered, there is hardly any information about the Bruhathkayosaurus. The descriptions of the Bruhatkayosaurus are really bad. The drawings are very poorly detailed and the accompanying text is incomplete.

The history of one of the discoverers, Dr. Ayyasimi and the one who confirmed that he was a titanic sauropod and Dr Sankar Chatterjee do not have a good history of fossil identification.

As if that weren’t enough, Tom Holtz hypothesizes that it could have been just a piece of a tree.

To refute his hypothesis, he asked for a micrograph or a detailed photograph to further analyze the evidence and thus get out of doubt whether the remains more closely resemble a piece of petrified wood or that of an Argentinosaurus.

Now more than one might be thinking, and why don’t you keep analyzing the remains? It is true that by analyzing the remains we would get out of any doubt, but the problem is that they no longer exist.

Due to the heavy rains and exposure in the field, the area where the remains were flooded, making them disappear.

The saddest part of the whole affair is that no one was interested in the alleged remains until 15 years later when the alleged remains would have been washed away by the water.

In addition, it is also very suspicious that in the middle of 1989 they did not have access to a camera to take several photos of the remains.

And the rains, in addition to taking away the supposed remains, have taken away all our hope of knowing if the Bruhathkayosaurus really existed or if its discoverers were only trying to achieve something of fame.