HomeDinosaurHigh 10 Scariest Extinct Animals That Ever Lived

High 10 Scariest Extinct Animals That Ever Lived

Extinction is a really severe problem dealing with our world. However in the case of these extinct animals, we now have to confess: We’re kinda glad we don’t should face off towards them, which may crush right this moment’s titans with ease.
The traditional Earth was stuffed with monstrous beasts that grew to a scale in contrast to something alive now, and numerous it has been freaking terrifying. Many trendy species, the large and the small alike are dwarfed compared to their prehistoric kin.

Check out these 10 historical creatures and be glad they’ve gone extinct. We’ll all be having unhealthy goals tonight.

Saber-toothed Tiger

What would you say is probably the most well-known Ice Age predator? Many of us in all probability first considered the saber-toothed tiger. However do you know that these fearsome beasts weren’t truly tigers and even all that carefully associated to them? Type of like that different well-known Pleistocene predator the dire wolf, which in flip wasn’t actually a wolf.

The saber-toothed tiger roamed freely within the Americas from round 2.5 million years in the past till the species went extinct round 11,700 years in the past. It was an apex predator and killed giant animals by looking in packs. Even an American Mastodon that stood over 10 ft (3 meters) tall and weighed as much as 12 tons (5,455 kg.) was not secure from this predator.
Its solely true enemy was human beings. Human hunters and temperature adjustments are thought to have pushed this animal to extinction.

saber toothed tiger

Saber-Toothed Tiger of North America

Saber toothed cat 2

Life-size Saber-toothed Tiger Skeleton


Megalodon is an extinct species of big shark that lived between 28 to 1.5 million years in the past, from the Early Miocene to the Pliocene. Its title means “huge tooth”, and we are able to think about why.

Megalodon had a chunk pressure of over 20 tons. As compared, the modern-day Nice white shark has a chunk of 1 ton. Contemplating {that a} modern-day Nice White has jaws highly effective sufficient to chunk by way of the bones of whales, then one can solely think about how lethal this predator’s chunk would have been.

Megalodon tooth

Megalodon tooth with two nice white shark enamel

Because of its unimaginable measurement of as much as 18 meters (59 ft), it’s thought of one of many largest and strongest predators which have ever existed on Earth.
It may weigh as much as 65 metric tons (143,000 kilos), seem like a large, extra terrifying model of the fashionable nice white shark, and might be discovered worldwide.
Megalodon was the apex predator in its setting and proof reveals that it might have preyed totally on giant whales. Amongst ts favored prey would have included the ancestors of the modern-day Sperm Whale, a brilliant predator itself.


Megalodon,gigantic shark


Not many animals can prey on crocodiles, however the big snake Titanoboa cerrejonensis was one such beast. It grew to colossal proportions, typically reaching 13m in size and weighing greater than 1,100kg, with a physique so thick it might attain as much as a person’s waist.
Like modern-day anacondas, Titanoboa used to lie in wait beneath the floor of a lake or river. Any prey that got here shut was swiftly seized and dragged underwater. Right here the snake would entwine its struggling sufferer, earlier than constricting to complete it off.



Arthropleura was a distant relative of contemporary millipedes and centipedes – an arthropleurid anthropod. It grew to 2.3 meters in size, as tall as a person and so long as a automotive.

It’s the greatest land arthropod recognized to people. The rationale why they have been capable of develop so huge is that the oxygen degree was 50% increased than it’s right this moment. The upper oxygen content material within the ambiance may help bigger species whose circulatory system was not as environment friendly as these of mammals and different species.

Fossil of Arthropleura, an extinct arthropod

Fossil of Arthropleura, an extinct arthropod

Arthropleura lived within the Carboniferous forests, roughly 323-299 million years in the past. They turned extinct shortly earlier than the Permian when forests have been lowering and the panorama was turning into dryer.


Life Earlier than the Dinosaurs: Arthropleura


Whenever you consider huge reptiles from the Cretaceous interval, you’d be forgiven in case your first thought was T. rex. However whereas dinosaurs are sometimes the star of the present, they have been removed from the one ones.

Take Sarcosuchus imperator, for instance. Generally known as ‘tremendous croc’, this predator just isn’t the type of beast you’d need to stumble upon. It’s thought that this species of crocodile, fortunately.

It’s an extinct genus of crocodyliform and distant relative of dwelling crocodilians that lived in the course of the Early Cretaceous, from the late Hauterivian to the early Albian, 133 to 95 million years in the past of what’s now Africa and South America. It was one of many largest crocodile-line reptiles, reaching a median estimate of 9 m (30 ft) and three.5 metric tons (3.9 brief tons), however estimated to develop as much as 9.5 m (31 ft) in physique size and weigh as much as 4.3 metric tons (4.7 brief tons).


Sarcosuchus: The ‘tremendous croc’ that would have hunted dinosaurs

Sarcosuchus fossil

Sarcosuchus within the Nationwide Museum of Pure Historical past, Paris


Early people needed to compete with many fierce predators, and Arctodus Simus was among the many best. Greater than any bear alive right this moment, it stood 4m tall, weighed as much as a tonne, and will convey down bison.
Arctodus, or the North American short-faced bear, is an extinct bear genus that inhabited North America from the newest Pliocene to the Holocene epoch, from ~2.5 Mya till 10,000 years in the past. At present thought of to be an unlimited omnivore, Arctodus was the most typical short-faced bear in North America. There are two acknowledged species: the lesser short-faced bear (Arctodus pristinus) and the big short-faced bear (Arctodus simus), with the latter thought of to be one of many largest recognized terrestrial mammalian carnivorans which have ever existed.


Arctodus, brief confronted bear measurement reference chart,alongside a human for comparability

Prehistoric Animal Skeleton Arctodus Replica

Short faced Bear Skeleton
Actual Measurement Synthetic Arctodus Skeleton for Museum


If each fantasy is rooted someplace, in actuality, tales of fire-breathing dragons nearly actually got here from the Megalania (or Varanus priscus). These distant kin of the Komodo dragon would have weighed greater than 1,300 kilos and grown to be 18 ft lengthy.
They vanished from Australia about 50,000 years in the past, which suggests the earliest Aboriginal folks could have made contact with them. Actually sounds just like the stuff of legend to us.

Megalania fossil

Varanus priscus skeleton, Melbourne Museum


Real looking Megalania Duplicate for Sale>>


Scientists name the Phorusrhacidae “terror birds,” which ought to inform you all it is advisable to learn about this stuff.
No? OK: They lived in North and South America till about 2 million years in the past; they may develop to be 10 ft tall, and their beaks have been so sturdy and sharp that they may kill different animals by putting their heads downward and fatally cracking their skulls.



Dunkleosteus was a big carnivorous fish, which lived about 380 to 360 million years in the past, in the course of the Late Devonian interval. It was an environment friendly and voracious predator because of its measurement that reached as much as 10 meters (37 ft) and a weight of just about 4 metric tons (8,818 kilos). Its head and chest have been lined with articulated armored plates, which made it a sluggish however very highly effective swimmer.


Dunkleosteus Cranium

animatronic Dunkleosteus 1

Real looking Life-size Dunkleosteus Mannequin>>


Deinosuchus is an extinct genus of alligatoroid crocodilian, associated to trendy alligators and caimans, that lived 82 to 73 million years in the past, in the course of the late Cretaceous interval. The title interprets as “horrible crocodile” and is derived from the Greek deinos,

The massive measurement of Deinosuchus has usually been acknowledged regardless of the fragmentary nature of the fossils assigned to it. Nevertheless, estimates of how giant it actually was have assorted significantly through the years. The unique estimate from 1954 for the sort specimen of the then-named “Phobosuchus riograndensis” was primarily based on a cranium of 1.5 meters (4.9 ft) and a decrease jaw of 1.8 meters (5.9 ft) lengthy, reconstructed with comparable proportions to the Cuban crocodile giving a complete estimated size of 15 meters (49 ft).

Deinosuchus live

animatronic Deinosuchus 2
Aanimatronic Deinosuchus for Sale

To discover extra extinct animals, be at liberty to test on our web site https://mydinosaurs.com or contact us by data@dino.cc to debate additional.



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