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10 Terrifying Extinct Animals You’d Hate To Run Into

The Prehistoric World Was A Scary Place

The prehistoric era was home to some of the most terrifying creatures ever to exist. From gigantic sharks to monstrous snakes, these animals would have made even the bravest humans think twice before venturing into their domains. Let’s explore some terrifying extinct animals that would have you running (or swimming) for your life.

10 Terrifying Extinct Animals You’d Hate To Run Into, Ever

#1) The Megalodon: The Giant Shark

Credit: B McLaughlin (Public Domain, free to use)

The prehistoric era was home to some of the most terrifying creatures ever to exist. From gigantic sharks to monstrous snakes, these animals would have made even the bravest humans think twice before venturing into their domains. Let’s explore ten terrifying extinct animals you’d hate to run into, ever.

#2) The Titanoboa: The Monster Snake

Credit: B McLaughlin (Public Domain, free to use)

The Titanoboa was the largest snake ever discovered, measuring up to 42 feet in length and weighing over a ton. It lived around 60 million years ago in what is now South America. This monster snake could easily overpower and consume massive prey.

#3) The Spinosaurus: The Water Dinosaur

By Андрей Белов – https://www.deviantart.com/abelov2014/art/Spinosauridae-773270478, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=74692724

Spinosaurus was one of the largest carnivorous dinosaurs, even larger than the T. rex. It lived about 100 million years ago and could grow up to 59 feet in length. This semi-aquatic predator had a distinctive sail on its back and was a fearsome hunter both on land and in water.

#4) The Gorgonopsid: The Sabre-Toothed Predator

By Mario Lanzas – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=83596318

Gorgonopsids were predatory therapsids that lived around 260 million years ago. These sabre-toothed predators had powerful jaws and sharp teeth, making them one of the top predators of their time. Their appearance was a blend of reptilian and mammalian features.

#5) The Andrewsarchus: The Giant Predator Mammal

By Dmitry Bogdanov – Own work, Public Domain, https://commons.wikimedia.org/w/index.php?curid=68637699

Andrewsarchus was a large mammalian carnivore that lived during the Eocene epoch, about 45 million years ago. It is considered one of the largest terrestrial mammalian carnivores, with a skull measuring up to 3 feet long. Its powerful build made it a formidable predator.

#6) The Dunkleosteus: The Armored Fish

By James St. John – Dunkleosteus terrelli (fossil fish) (Cleveland Shale Member, Ohio Shale, Upper Devonian; Rocky River Valley, Cleveland, Ohio, USA) 21, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=84692682

Dunkleosteus was a prehistoric fish that lived around 358 to 382 million years ago. It had an armored exterior and powerful jaws equipped with sharp bony plates instead of teeth. This fish could grow up to 33 feet in length and was a dominant predator of its time.

#7) The Terror Bird: The Flightless Predator

Credit: B McLaughlin (Public Domain, free to use)

Terror birds, or Phorusrhacids, were large, flightless birds that lived in South America about 62 to 2 million years ago. These predators could reach heights of up to 10 feet and were known for their powerful legs and sharp beaks, making them efficient hunters.

#8) The Arthropleura: The Giant Millipede

Tim Bertelink, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons

Arthropleura was a giant millipede-like arthropod that lived around 290 million years ago. It could grow up to 8.5 feet long and was one of the largest land invertebrates ever. While it likely fed on plant material, its size would have been intimidating to any potential predator.

#9) The Quetzalcoatlus: The Giant Flying Reptile

Credit: B McLaughlin (Public Domain, free to use)

Quetzalcoatlus was one of the largest flying animals of all time, with a wingspan of up to 36 feet. This pterosaur lived around 70 million years ago and likely fed on both terrestrial and aquatic prey. Its massive size made it a dominant presence in the skies.

#10) The Liopleurodon: The Marine Reptile

By DiBgd – Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=81607348

Liopleurodon was a large marine reptile that lived about 160 million years ago. It could grow up to 33 feet in length and had a powerful, streamlined body adapted for hunting in the water. Its strong jaws and sharp teeth made it a top predator in its marine environment.

Related: What Is The Strongest Animal In The World? (Compared)

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