Baryonyx "heavy claw. "

As put in the post title, Baryonyx means "heavy claw. " "Heavy Claw"because its huge claws slashed to 35 cm long (1 ft) perforated skin of other dinosaurs, their prey, unable to prevent the tear resist them. "Heavy Claw"because its forelimbs were strong with powerful muscles used both to support and move to attack their prey.

Depending on the shape of the hip, suggests that to move at high speed using all four legs, but at rest or attack was on a biped.

The long neck was very inflexible and had no S-shape of many other theropods. The skull was inserted at an acute angle and not straight, as is common in similar dinosaurs. The large jaws were uniquely crocodilian in appearance and had 96 teeth, double most of his relatives. 64 of these teeth were located in the lower jaw and 32, longer at the top. It is possible that the nose has a small ridge. The upper jaw had an acute angle near the snout, a feature seen in crocodiles that helps prevent the prey from escaping.

The Baryonyx was about 9 (30 ft) meters long and weighed nearly two tons and 4 meters (12 fts) high. FIRST This dinosaur was a predator, although its features is thought that large numbers of prey were aquatic animals. The teeth of his jaw that prevented their prey bite out of her with his huge claws and drew water for prey.

The Baryonyx lived in what is now Europe 125 million years ago (Cretaceous).

BY THE WAY IT IS OF THE SAME FAMILY Spinosaurus. (Spinosauridae)


Inside family of animals Pliosauridae are as terrible as the Liopleurodon or Predator X, marine predators of enormous size with huge heads and huge teeth. Within this group, the third in size (not so small) was the Kronosaurus. Its name means "the lizard of Cronos" (Cronos in Greek mythology was the leader of the Titans).

The Kronosaurus came to measure up to 12 meters (40 feets) and weigh 15 tons. To give you an idea: a whale comes as much up to 9 meters long (30 feets) and at most 6 tons. Another comparison: the skull of a whale "only" is 1.5 meters (5 feets), in contrast, had a skull Kronosaurus 2.7 meters (10 feets) ... Few carnivores were these dimensions and these weapons so deadly.The Kronosaurus had long, sharp teeth, not serrated. Peculiar and distinctive teeth that have made ​​it easier to differentiate between fossils and they are of a Liopleurodon or Kronosaurus.
The Kronosaurus was probably the apex predator of the time. No other animal could stand against him and had to flee if they did not become their prey. Have even found fossilized skeletons of the long Elasmosaurus, a predator of 14 meters.
Fortunately for the Kronosaurus, during the time he lived, Lower Cretaceous, there were his cousins ​​Liopleurodon or Predator X, who disappeared for more than 50 million years before the appearance of Kronosaurus.
Finally, the Kronosaurus, lived in the prehistoric waters which now include Australia and South America.


The Andrewsarchus or Androsarcus, was considered the largest carnivorous mammal history, but that position was occupied not alone. Along with this there is another giant carnivorous mammal, called Megistotherium (and some experts say it could even be larger than the Andrewsarchus). The Megistotherium was a terrible predator, a predator who struck fear Miocene to the titanic mastodons (found fossilized bones of mastodons with Megistotherium marks indicating that hunting for food).
The Megistotherium belonged to the family of Hyaenodontidae, a family of large predators, strong, aggressive and courageous. Predators that were in the top of the food chain before the mega saber-toothed cats like, or the greatest, the cave lion.
The Megistotherium lived in what is now Europe, Africa and Asia. As large as the current bison, weigh up to 1500 kg (3300 lb) and a height to the shoulders of more than 1.5 meters long and 3.5 (a white bear almost never reaches 1000 kg (2200 lb) and is 2.5 meters long). The dimensions of the skull were Megistotherium up to 1 meter long (similar to Androsarcus) and his jaw with a force of enormous pressure, harbored very powerful teeth can grind the hardest parts of prey such as bones or hooves. Do not forget that the family is synonymous Hyaenodontidae hyena's tooth, and these (the hyenas) are known for the strength of their jaws and teeth trituratodo. To get an idea, your name, Megistotherium, means "the biggest beast crushed bones."
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