5 Terrifying Animals That Are Older Than The Dinosaurs

 

In the popular imagination, dinosaurs are often perceived as the most ferocious predators in the history of our planet: from T-rex to Troodons and Carnotaurus, these giant vertebrates are known to have been dangerous and unforgiving with their prey, devouring everything they find on their path.
However, this behavior and lifestyle are not unique to dinosaurs: long before their appearance, many animal species that populated the Earth were just as, if not more, threatening than these …

 

5. Arthropleura

5 Terrifying Animals That Are Older Than The Dinosaurs

If you are among those suffering from entomophobia (the fear of insects), Arthropleura may displease you: these giant centipedes were up to two and a half meters in length and could, in some cases, reach the meter and half of width.
Regarded as the largest insects of all time, they lived mainly in Europe, but were also present in North America, during the Permian, so there are more or less 300 million years.

 

Long described as being carnivorous, the samples taken inside the digestive system of the different Arthropleura species have however shown that they actually feed only on plants (mainly ferns).

Species now extinct scientists believe that their disappearance is due to the important climatic changes that took place at the end of the Permian, and more particularly because of the decrease of the quantity of oxygen in our atmosphere and the dehumidification of the tropical forests.

 

4. The Helicoprion

5 Terrifying Animals That Are Older Than The Dinosaurs

Although the Helicoprion looks exactly like a shark, it is only a distant relative: while the shark teeth fall (then push back), those of the Helicoprions do not stop pushing throughout his life, if although over time,they are forced to form a spiral to be all contained in his jaw.

In 2013, US researchers at the University of Idaho discovered one of those mysterious spirals that had no fewer than 117 teeth.

The scientific community was not sure of the location of this dental spiral, only,a 2013 study revealed that it was placed vertically, on the lower jaw, just like on a circular saw, without its rotating system. To attack his prey, it was enough for him to bite his victim and let his teeth fall back to shred.

Measuring between 10 and 12 meters and living some 270 million years ago, his tooth spiral could reach 60 cm in diameter: in view of these figures, Helicoprion was undoubtedly the largest marine animal of his time, and certainly the most frightening.

Measuring between 10 and 12 meters and living some 270 million years ago, his tooth spiral could reach 60 cm in diameter: in view of these figures, Helicoprion was undoubtedly the largest marine animal of his time, and certainly the most frightening.

 

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3. The Nothosaurus

5 Terrifying Animals That Are Older Than The Dinosaurs

Reptile of prehistoric nature that lived on our planet more than 230 million years ago, the Nothosaurus had the distinction of being a terrestrial and aquatic animal at the same time.

The so-called “false lizard” or “mixed lizard” may have more than a dozen subspecies,they are all equally frightening: in addition to its very large teeth as sharp as needles and its large head reminiscent of crocodiles, his neck alone was no less than one meter, for a total size generally between 3 and 4 meters.

 

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2. The Dunkleosteus

5 Terrifying Animals That Are Older Than The Dinosaurs

With a total weight of almost 4 tons and a length of 10 meters, the Dunkleosteus was, during the Devonian 400 million years ago, one of the most terrifying marine predators on earth: with a jaw called blade,it could open in less than a second and thus suck absolutely all the fish that were nearby, including sharks.

 

Extremely fast, but especially of incredible strength, its bite is as powerful as that of the T-rex: with a sharp blow, its prey was literally cut in half and swallowed as it is.
According to fish curators at the Chicago Field Museum Philip Anderson and Mark Westneat, it is his jaw that gives him the status of dominant par excellence: “The fish usually have a powerful bite or a quick bite, but not both. They said.

 

1. The Trilobites

5 Terrifying Animals That Are Older Than The Dinosaurs

Despite the fact that trilobites are not as big or large as most of the most ferocious predators, these insects, which are just over 5 cm long, have ruled the Earth for over 200 million years, during the Paleozoic (500 million years ago)
Ancestors of lobsters and crabs as we know them today, more than 17,000 species of tribolites coexisted: some of them lived underwater, in the seabed and fed on the worms they attracted from their gallery before tearing their legs or crushing them to be able to eat them.Others, on the other hand, were content to feed on plankton or molluscs in shallow waters, not far from reefs and corals.

 

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