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Practice English Speaking&Listening with: LARGEST Carnivorous Dinosaurs That Ever Lived!

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From the deadly hunting abilities of an Oxalaia to the gigantic teeth of the Spinosaurus,

here are the largest carnivorous dinosaurs on Earth!!!!

10.

Oxalaia

Paleontologists havent really found many of its remains but the snout and jaw fragments

were enough to know that Oxalaia was a giant member of predatory dinosaurs known as spinosaurs.

This creature was a carnivorous theropod that is believed to have lived during the Cretaceous

period about 95 million years ago!!

Discovered in northeastern Brazil, it had jaws like a crocodile and would have had a

skull about about 1 meter (4.5 feet) long!!

The entire body would have been between 12- 14 meters long (39 feet- 46 feet) and it was

estimated to weigh around 5-7 tons!!

If the larger estimate is correct, this dinosaur would have been the longest theropod dinosaur

in South America, being hyst a little bit bigger than the smallest estimate of the giganotosaurus.

Its recent skeletal studies have revealed some striking similarities compared to a Spinosaurus

and an Irritator, so it has been classified as part of the same family but it is frustrating

that so little hass been found.

Oxalaia would probably be classified as ageneralistand eat just about any kind

of meat.

But like other spinosaurid species, it most likely preferred aquatic prey.

Like its predecessors, it used to wait by the river banks and strike at its prey since

it was so heavy and probably couldnt run very fast!!!

9.

Carcharodontosaurus

Like most of these dinosaurs, the pronunciation is tricky but bear with me!!!

This dinosaur was once thought to have the longest skull of all the theropods, the honor

which later got transferred

to the Giganotosaurus.

This dinosaur lived about 100 million years ago and was named because of its long,

sharp teeth.

Also known as theshark-toothedorjagged toothlizard, it was one of the most feared

and successful predators in what is Northern Africa.

It had the ability to sprint up to 25 mph and weighed approximately about two average

sized Asian Elephants.

The initial fossils that were discovered in the 1930s were eventually demolished in the

WWII bombings.

Paleontologists had to rely on the older anatomical descriptions until 1996 when a new specimen

was found.

Interestingly, the newer reports suggested that Carcharodontosaurus was even bigger than

it was once thought!

It was slightly larger than the T-Rex in North America and its most likely that it would

have come into contact with the largest carnivorous dinosaur of all time, the Spinosaurus.

These would have been some pretty epic battles!

8.

Chilantaisaurus This big guy is believed to have been a fearsome

predator.

It fed mostly on humongous herbivores which it would attack with its powerful jaws and

talons.

It is thought to have existed some 92 million years ago in the Late Cretaceous period.

Its fossil remains have been found in what is now Mongolia in Asia.

This little-known theropod dinosaur was also featured in a Japanese picture book series

You are Umasou.”

It spanned around eleven to thirteen meters in length (43 feet) and weighed over 6 tons.

Since its body was too large for chasing its prey, the animal is believed to be an ambush

predatortrapping its prey and then pouncing on it.

Its classification still isnt clear and it was still being scrutinized by scientists

up until 2012.

And know for the Tyrant Titan, but first, if you are new here be sure to subscribe and

click the notification bell for more videos like these!!

7.

Tyrannotitan

The name of this dinosaur meansTyrant Titanand it was discovered in Argentina.

It is classified as part of the genus that includes the likes of other giant theropods

such as the Mapu-saurus.

It was believed to have lived during the primary Cretaceous period on the South American terrains.

The fossils were first discovered in Chubut Province, Argentina in 2005.

However, only a rough skeletal structure could be put together since these remains were almost

irrecoverable.

Recent studies have revealed that this giant theropod could genetically be related to other

forms from the late Cretaceous period or perhaps evolved to develop an anatomy similar to a

Tyrannosaurs.

Although its exact anatomy still remains questionable to the paleontologists, this big lizard is

estimated to have been over 40 feet long.

The head structure would have been narrow and it probably had about 60 sharp teeth.

The tooth structure is dense and broader compared to other members of its genus.

It possessed relatively shorter arms and a powerful tail which probably helped it to

swim.

Its main prey could have been Sauropods or primitive herbivores.

With the current information available, it is estimated that it could run about 20 mph.

6.

Acrocanthosaurus You might be more familiar with this dinosaur

than you think, especially if you live in North America.

Dinosaur Valley State Park in Glen Rose, Texas has tons of fossilized tracks.

Most of the footprints probably belonged to the Acrocanthosaurus.

The Acrocanthosaurus was one of the largest carnivores, almost as deadly and fierce as

a T-Rex or a Spinosaurus.

It was discovered in North America in Oklahoma in the 1940s.

The animal was estimated to be over 35 feet long and weigh around five to six tons.

It had unique spinal anatomy which gave it the nameHigh-Spined Lizard”.

The entire spinal region was spiked with neural spines that were each about a foot long, which

is believed to be meant for supporting the hump over its back.

Paleontologists also suggest that the overgrown hump might have been a mating characteristic

to attract females, or perhaps a signaling accessory to warn the pack against approaching

predators.

The neuroimaging studies of an Acrocanthosaurus has revealed that it possessed an S-shaped

brain with a strong sense of smell.

This might have been a competitive advantage for detecting and hunting its prey.

Fun fact, the Acrocanthosaurus still remains one of the few prehistoric creatures whose

brain has been studied in detail by using tomographic techniques.

Its short little forelimbs had very limited motion but could pull things towards itself

easily.

It is believed that they came up to victims from behind and sank its claws into it while

biting down.

5.

Saurophaganax

Also known as thelizard-eating master”, this dino lived and hunted in North America

during the late Jurassic period some 150 million years ago.

A few animal remains were discovered during the early 1930s in Oklahoma and New Mexico.

The animal lived in the woodlands but their remains are pretty rare.

It was estimated to be about 13 meters long and paleontologists explain that their appetite

must have been enormous.

It is believed to have been very territorial and aggressive which is maybe why it remained

restricted to smaller populations or colonies.

Saurophaganax bones are similar to those of the smaller Allosaurus, but clearly this one

was much bigger in size.

It is even suggested that the Saurophaganax might have evolved from the Allosaurus.

The Saurophaganax walked on two legs and may have stolen kills from less talented or smaller

carnivorous dinosaurs but could still probably kill on its own.

Its become quite a popular dinosaur recently, even appearing on multiple dinosaur T.V series

such as Planet Dinosaur and Dinosaur King.

4.

Mapusaurus

The Mapusaurus is one of the largest carnivorous dinosaurs to be discovered.

It is ranked at number four, still a little bit away from the spinosauruswhich still

wears the crown.

It had knife-like teeth for slicing off chunks of flesh and may have even worked in groups

to take down even larger prey like the Argentinosaurus.

It was about 10 meters long and weighed about 3 tons!!

So here is something that is quite interesting: during an Argentinean-Canadian excavation,

paleontologists discovered the remains of up to 7 Mapusaurus all together in the same

bed of rock.

Normally predators of this size would live alone, but this clue suggests that they all

lived and hunted together.

It is estimated to have reached a top speed of 30 mph.

If the speed estimates are true, a Mapusaurus would have been much faster compared to a

Tyrannosaurus Rex and apparently quick enough to ambush a larger herbivore.

3.

Tyrannosaurus Rex Perhaps the most famous dinosaur on earth

and featured in all of the Jurassic Park movies, this mighty beast lived in western North America

some 68 million years ago.

It had short little arms and could sprint at a top speed of 25 mph.

It was about 12 meters (40 feet) long and about 5 meters (20 feet) tall, give or take

and weighed up to 20,000 pounds!!

Contrary to a typical V-shaped jawline as in other theropods, a T-Rex had a U-shaped

structure which provided the animal with an increased bite force.

It had serrated, conical teeth which were perfect for gripping and ripping out flesh

in just one bite.

Because of its hunting abilities and ruthless instinct, it is often referred to as theTyrant

Lizard.”

Over 50 specimens of Tyrannosaurus Rex have been identified which has helped scientists

to learn a lot more about their biology and habits than other dinosaurs.

2.

Giganotosaurus

Ok so for the pronunciation: Some people say itsgiga-not-a-saurus”-

like gigabyte, or a play on words of giant sojiganto-saurusor jiga-no-toe saurus

like it had no toe.

Sooooo….I did some research and the paleontologists who classified and had the honor of naming

this dinosaur, Rodolfo Coria and Leonardo Salgado are on tape pronouncing it as giganotosaurus

so I am going with their pronunciation.

This dinosaur was an absolute beast, no matter how fearsome the T-Rex might have been!

The Giganotosaurus was big, strong, and fast.

They lived about 98 million years ago during the late Cretaceous Period.

However, theres one thing you should remember!

A Giganotosaurus should not be mistaken for a Gigantosaurus, which is a lesser known herbivore

that lived in England.

It had a huge skull structure and a powerful jaw equipped with jagged teeth.

Its narrow snout had excellent smelling abilities which gave it a huge advantage over a lot

of its prey.

It also had long spines on its back and short arms with three-fingered claws.

Its strong back limbs with heavy bone structure indicate it probably was a good sprinter,

with an estimated cruising speed of 31mph.

Researchers suggest its thin pointy tail would have given the animal some agility on sharp

turns.

The weight estimates are very difficult to make and are often based on tomographic approximations.

The animal was first featured in a Nature Journal in 1995 and fossils analyzed were

reported to weigh between six to eight tons with the head-to-tail length extending over

a whopping 40 feet.

However, a more recent estimate in the Journal of Vertebrate Paleontology has claimed that

a Giganotosaurus weighed nearly 15 tons.

1.

Spinosaurus

All hail the mighty Spinosaurus!

This was the largest carnivorous theropod to ever live on the planet.

The animal haunted the swamps of the North African continent during the mid-Cretaceous

period about a 112 to 97 million years ago.

Two species of Spinosaurus have been reported and named after places they were discovered

1) Spinosaurus aegyptiacusthe Egyptian spine lizard and 2) Spinosaurus maroccanus

The Moroccan Spine lizard.

The namespine lizardserves as an appropriate description, because it had very long spines

over its back that were estimated to be up to 7 feet long!!

Each spine was joined to the other by a cartilage-like structure called a sail, because it looks

like one.

It is also suggested that a Spinosaurus was perhaps the first evolved carnivorous dinosaur

to be able to swim.

In fact, recent studies have suggested that a Spinosaurus had a compact bone structure,

flat claws, conical teeth and a narrow snout which was ideal for preying on aquatic animals.

But land prey was fine too!!

The weight estimates have shown that the animal weighed over 23 tons, and was up to 50 feet

(15 meters) long.

No wonder it dominated the earth!

Thanks for watching!!

Which dinosaur is your favorite??

Let us know in the comments below!!

The Description of LARGEST Carnivorous Dinosaurs That Ever Lived!