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Basilosaurus, known as the "king lizard," is found in the late Eocene, which is about 41.3 to 33.9 million years ago. It is the classification of predatory, big, and archaeocete whales, depicted in 1834 and known as the first prehistoric whale discovered by science. The "Saurus" in their name is because of the giant size of these reptiles.  Later, scientists discovered it was an early marine mammal by studying its fossils. The very first fossil of type species B. cetoides was discovered in the United States. Later the species, B. isis was found in Jordon, Egypt, Morocco, Western Sahara, Tunisia,...

Crocodiles are large semi-aquatic reptiles inhabiting the tropics in Africa, Asia, the Americas, and Australia. All current members of the order Crocodilia, including extinct taxa such as the gharial and false gharial (family Gavialidae), alligators, and caimans (family Alligatoridae), are frequently referred to as crocodiles. The first crocodilians, reptiles, originally arose about 320 million years ago. The amphibians, a diverse group of animals at the time, were the immediate ancestors of reptiles. The gharial is easy to detect due to its short snout, whereas crocodiles and alligators have more subtle physical characteristics. These features could also be seen in the...

  A genus of tyrannosaurid dinosaurs called Daspletosaurus, which means "frightful lizard," lived in Laramidia between approximately 79.5 and 74 million years ago, during the Late Cretaceous Period. Daspletosaurus was a fairly massive predator by modern standards, although it was not the biggest tyrannosaur.   Large tyrannosaurine Daspletosaurus was discovered in upper Campanian strata in Alberta and Montana. Over time, the genus Daspletosaurus has been given two or three new species. In contrast, others believe it to be a subspecies. The key distinctions between Daspletosaurus and Tyrannosaurus are that Daspletosaurus is smaller but heavier built, its feet are shorter, and...

Knowing and researching the dinosaur age and its various species is always interesting. One of their several species is Tyrannosaur, a genus of giant theropod dinosaur. According to researchers, Tyrannosaurs existed in what is today called western North America. Its fossils are found in a variety of rock formations from the period 68 to 66 million years ago. Like other Tyraanuroids species, Tyrannosaurs were also bipedal carnivores with giant skulls balanced by a long tail. Their 21 feet size with huge Tyrannosaur teeth were large enough to dissect a car. Here we will discuss essential facts about their teeth and...

The unique thing that enhanced the interest of many paleontologists and made them study the prehistoric origin of insects is that they don't have bones. Therefore, making it difficult for experts to unearth their unexisting skeletons millions of years later. But, the same thing is what piqued the attention of most individuals since they always wondered how scientists came to know about insect fossils without bones or fossils to study. Fortunately, they found their answer in the abundant evidence that different insect fossils described.  Physical Shreds of Evidence of Different Types of Insect Fossils If you have always been interested...