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Chasmosaurus was one of the prehistoric reptiles that roamed North America's plains. It was one of the last big dinosaurs to have evolved before the extinction of these magnificent creatures. The genus Chasmosaurus translates to Chasm Lizard, Dinosaur in reference to the two large holes called fenestrae in its frills. Chasmosaurus fossils belong to the ceratopsian dinosaur that lived between 76.5 and 75.5 million years ago during the Late Cretaceous period. The distinguishing fenestrae are present in almost all ceratopsians but are particularly large in Chasmosaurus. It is referred to as a prehistoric beast because it measured 16-26 feet long from...

  Tyrannosaurs were one of the most fearsome and largest carnivores of all time. Tyrannosaurs are part of the theropod family. They lived throughout western North America and Asia. Paleontologists have recently discovered a hip bone belonging to an ancestor of Tyrannosaurus. They found it at Dinosaur Cove in Victoria, Australia. Tyrannosaurs may have lived worldwide, and their remains or skeletons may be discovered in Africa, South America, and India.  Tyrannosaurus was present from the beginning to the end of the dinosaur era. These animals actively look for opportunistic scavenging. Early tyrannosaurus was more agile due to its longer legs...

Crocodiles are called living fossils, looking much the same as they did millions of years ago. The first crocodile fossils were from the Triassic period about two hundred forty million years ago. They came before dinosaurs but from the same group. This group included crocodiles, pterosaurs, and dinosaurs. Fossils worldwide help us know what some ancient crocodiles looked like and their behavior. Structure Of A Crocodile   Crocodiles have powerful jaws with sharp conical teeth and tiny legs with clawed webbed toes. They have a rare body structure that allows the eyes and nostrils to be above the water's surface while...

Pachycephalosaurus is one of the unusual dinosaurs found in the fossil deposits of North America. They came under the genus of enormous dinosaurs that existed around the Late Cretaceous Epoch era about 100 million to 65.5 million years ago. Pachycephalosaurus are known to have a helmet head that saves them from any injury. They were usually 5 meters long with strong hind limbs. Further, scientists used to speculate that Pachycephalosaurus fossils have partially developed forelimbs. Pachycephalosaurus are known for their highly distinctive features like dome skulls made up of thick solid bone covering the tiny brain. However, the bone growth...

Triceratops is among the large quadrupedal ceratopsian dinosaurs that generally eat the plant. It is among the most famous dinosaurs among children after Tyrannosaurus because it has three horns on the skull. These magnificent creatures used to live in the final stages of the Cretaceous Period. Further, as per the exact time frame, it has been speculated to live around 145.5 million to 65.5 million years ago. Thus, they are one of the last avian dinosaurs ever to walk on the earth. After studying the Triceratops fossils, paleontologists speculate the creature's body length is around 30 feet (9 Meters). Moreover,...