Sarcosuchus is one of the largest crocodile-like reptiles ever. It grew up to 12 m in length - twice as long as the modern saltwater crocodile - and weighed up to 8 tons. Its entire body was covered with armored plates. The prehistoric 'super-croc' had a 1.8 m long head, with huge conical teeth that could easily crush bone with a little help of its fearsome jaws. It also had four short legs and a long, powerful tail, perfectly designed to swim through water at fast speeds.

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Best pictures of dinosaurs - Alectrosaurus! Alectrosaurus, translated from Ancient Greek means a "lone lizard", reflecting the lifestyle of this prehistoric animal.

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Spinosaurus was a dinosaur that lived in Africa during the Cretaceous Period, some 100 million years ago. It was between 12 and 18 m long, and weighed from 7 to 20 tons.

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Best dinosaur photos - Troodon!

The genus name is Greek for "wounding tooth", as its teeth bear prominent and very sharp "wounding" serrations.

were small dinosaurs, up to 0.9 m in height, 2.4 m in length, and up to 50 kg in mass, that existed in the Cretaceous period, about 77 million years ago. Troodon were built like birds, with a narrow head and pointy beak, a short neck extending to a squat body and a long tail. They had very long, slender hind limbs, suggesting that these animals were able to run quickly. The front limbs were diminutive, stunted, and dysfunctional. Their eyes were very large, slightly forward facing, giving Troodon some degree of depth perception.

remains of these prehistoric creatures (dinosaur) have been discovered in North America.

Best dinosaur pictures - Alectrosaurus!

Alectrosaurus was a dinosaur walking on two legs. This dinoaurs was a cousin of TRex (Tyrannosaurus Rex).

Alectrosaurus lived in the latter part of the Cretaceous Period, approx. 83 to 74 million years ago, in what is now Inner Mongolia.
It was a medium sized, moderately built, ground dwelling carnivorous dinosaur, with a body shape similar to its much larger relative Tyrannous Rex. It could grow up to an estimated 5 m long, and a weight of around one ton.

Alectrosaurus had a prolonged skull with mighty jaws, each equipped with 12 to 15 large teeth. Its somewhat squatty neck was planted on a gigantic body with a very long tail. It was bipedal, moving on its huge hind legs. Its three-toed feet had big and sharp claws. Its forelimbs were much smaller and thinner, but were also armed with deadly claws.

Best photos of dinosaurs Alectrosaurus!

Cryolophosaurus is a genus of large theropods that existed in the early Jurassic period, some 190 million years ago, in what today is Antarctica. It was 5 m high, 6.5 m long, and 500 kg in weight, making it one of the largest theropods of its time.

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Dinosaur images - Rajasaurus!

Rajasaurus (Ancient Greek for "king of lizards") is genus of carnivorous dinosaurs that lived in the Cretaceous Period, between 70 and 65 million years ago. It was 9 m long, 2.5 m high, and weighed about 3 tons. Its fossil remains have been discovered in India.

Rajasaurus had a relatively short skull, not more than 60 cm in length, bearing a distinctive low rounded horn, made up of outgrowths from the nasal and frontal bones. Its jaws were full of sharp teeth with serrated edges for cutting flesh. It had a short neck, thick, squatty body, and an extraordinarily long tail. It moved on its massive, three-clawed hind legs, whereas his forelimbs were stunted, far less in size, but also with three claws each.

Rajasaurus belongs to the group of theropod predators, and is quite similar in shape to Tyrannosaurus Rex.

Rajasaurus is king of lizards! This dinosaur used to lived about 70 and 65 million years ago in what is today India.

Best dinosaur images and photos - Rajasaurus!

Giganotosaurus was the biggest meat-eating dinosaur that lived 100 milion years ago.

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What do you thing, how many teeth? Wow! Now you'll be appalled. Tyrannosaurus rex had more than 60 teeth, and each one was about 23 cm long. The length of its gaping jaws was 1.2 m.

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Cryolophosaurus is the first meat-eating dinosaur to be discovered on the frozen continent of Antarctica. It was an odd looking dinosaur, fairly large for such an early hunter. It had a bizarre crest running across its head, just over the eyes, where it rises up, perpendicular to the skull, and fans out. Walking with dinosaurs.

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