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Dinosaur Theme Parks: What Rides Are Available? Dinosaur Fossils, Bones, Teeth, Clues and Evidence

The Age of Dinosaurs and the Study of Dinosaur Paleontology

Feb. 09, 2022

Dinosaurs are a group of reptiles that have lived on Earth for about 245 million years. 

In 1842, British naturalist Sir Richard Owen coined the word dinosaur from the Greek words deinos, meaning "terrible great", and sauros, meaning "lizard". Dinosaur fossils have been found on all seven continents.

About 66 million years ago, all non-avian dinosaurs became extinct. There are about 700 known extinct species of dinosaurs. Modern birds are a type of dinosaur because they share a common ancestor with non-avian dinosaurs.

 

 

Paleontology

Paleontologists are like detectives, examining the evidence left behind by extinct animals. These clues to what dinosaurs looked like can be found in skulls and fossils- ancient remains of organisms such as teeth, bones or shells - or evidence of animal activity such as footprints and tracks.

 

T-Rex Skull(FP-1489)

 

 

Barnum Brown, who began his career at the American Museum of Natural History in 1897, is considered by some to be one of the greatest dinosaur hunters of the late 19th and early 20th centuries. He began his career at the American Museum of Natural History in 1897. Many of his greatest discoveries, including one of the first Tyrannosaurus rex specimens ever found, are on display in the museum's Dinosaur Hall.

Today, in addition to patience and keen observation skills, paleontologists are employing new technologies to solve unanswered questions about dinosaurs and other fossils. Advanced imaging techniques, such as CT scans, allow paleontologists to see the three-dimensional structure of fossils, often without removing the matrix.

 

 

 

Age of Dinosaurs

The earliest known dinosaurs appeared during the Triassic period (about 250 to 200 million years ago). Dinosaurs evolved into a very diverse fauna with a large number of physical features, including modern birds.

Contrary to what many people think, not all dinosaurs lived in the same geological period. For example, Stegosaurus lived in the late Jurassic period, about 150 million years ago. Tyrannosaurus rex lived in the late Cretaceous period, about 72 million years ago. Stegosaurus had been extinct for 66 million years before Tyrannosaurus walked the Earth.

During the Mesozoic Era (which includes the Triassic, Jurassic, and Cretaceous periods) over 180 million years ago, a non-avian dinosaur evolved into an ornithischian dinosaur. This ornithischian dinosaur was the first bird and the forerunner of all birds. Each of these non-avian dinosaurs became extinct 66 million years ago.


 

 

 

There are several theories as to the cause of the mass extinction of non-avian dinosaurs and other species at the end of the Cretaceous. What is certain is that a giant asteroid or comet struck the Earth during this time, causing a dramatic change in the Earth's climate. Some scientists speculate that this impact had catastrophic consequences for life on Earth. But other factors, including sea level changes and massive volcanic activity, may also have played an important role in this mass extinction.

 

 

GENGU has so many other related animations and toys and sculptures. If you want to buy them, or get your customed dinosaur, please contact us and get the quote.

 

 

 


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