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Fossils of the genus have been found in the western United States and in Portugal, where they are found in Kimmeridgian- to early Tithonian . To be fair, the spinal columns of certain dinos—such as Stegosaurus . When did the dodo bird go extinct? The Stegosaurs had undergone these dramatic changes which lead to Stegosaurus, Hesperosaurus, Dacentrurus and Lexovisaurus going extinct. Of course the female would have a way of bending her tail as to get the . These, and all other non-avian dinosaurs became extinct at least 65 million years ago at the end of the Cretaceous Period. . 3y. Discoveries in Asia and Africa are rewriting the backstory of dinosaurs like Stegosaurus. Stegosaurus had a double row of plates on its back that extended to the tail. It was primarily found in the western North America range, first discovered in Colorado. One idea for the extinction of Stegosaurs as a group was the dramatic but gradual extinction of cycads, cycadophytes and bennattitalles, low growing plants that Stegosaurs ate. Last week, myself (along with Paul Barrett of the NHM and Susie Maidment of Imperial College) published a paper comparing various techniques used to estimate the body mass of extinct animals. . John Flickerton: Why hello there! The Yale paleontologist Othniel Charles Marsh named Stegosaurus in 1877. . At the end of the Cretaceous period 65 million years ago, a meteorite or comet slammed into Earth. The first of the Stegosaurus fossils discovered was found in 1876 in Colorado by M.P. their relatives, the stegosaurs, died out by around 100 million years ago. Scientists think this was probably because of an asteroid that hit the Earth. The dodo is an extinct species of flightless birds native to the island of Mauritius. This Stegosaurus lived about 150 million years ago during a time in Earth's history called the Jurassic Period. the stegosaurus became extinct because a valcano erupped and all the lava went on the ground . Stegosaurus was a Late Jurassic herbivorous quadrupedal dinosaur known for its array of upright plates on its back and spiked tail. In 1992 the most complete Stegosaurus fossil ever found was also discovered in Colorado but this time by Bryan Small, Tim Seeber and Kenneth Carpenter. Share them with your kids and see which they think really happened. ∙ 2008-10-27 22:49:47. Since their extinction, dodo birds gained widespread recognition, often portrayed as the poster child of extinct species. Its shape together with the armored plates earned it the name "stegosaurus" which means "roofed lizard". In short, it probably didn't. As commonly happens with centuries old dinosaurs, there are always some fun theories that originated from back in the day. Stegosaurus lived between 155 to 150 million years and no mass extinction event happened at that time (as far as we know). At 9 meters (30 ft), it was the longest species of Stegosaurus. The asteroid impact that caused dinosaurs to go extinct also destroyed global forests, according to a new study. It lived about 100 million years ago, in the Jurassic period of Earth, sharing the land with Diplodocus, and . Stegosaurus usually grew to a length of about 6.5 metres (21 feet), but some reached 9 metres (30 feet). Wiki User. Copy. If all of Earth time from the very beginning of the dinosaurs to today were compressed into 365 days (one calendar year), the dinosaurs appeared January 1 and became extinct the third week of September. That Myth Needs to Go Extinct. The answer is probably little boring but if the stegosaurus evolved into anything then it was more species of stegosauruses. Dinosaurs went extinct about 65 million years ago (at the end of the Cretaceous Period), after living on Earth for about 165 million years. At the end of the Cretaceous period 65 million years ago, a meteorite or comet slammed into Earth. Stegosaurus usually grew to a length of about 6.5 metres (21 feet), but some reached 9 metres (30 feet). Scientists call it a mass extinction - it wasn't the first mass extinction in . Dinosaurs made the end-Cretaceous extinction famous, but in order to understand what happened 66 million years ago we need to take a broader view and consider the various other animals that. See answer (1) Best Answer. When did the dodo bird go extinct? So why would Stegosaurus? The asteroid impact would have made a big change to the Earth's climate and vegetation. Felch and was named by Othniel C. Marsh in 1877. Stegosaurus had a body length of 30' (9.1 m), a height of 14' | 4.3 m, and a width of 6' (1.8 m). Take a look at a petrified stegosaurus, for instance, to discover why: The colossal animals grew to be 30 feet long, 14 feet tall and clad in armored plates and spikes for protection. Stegosaurus was extinct for 66 million years before Tyrannosaurus walked on Earth. Millions of years ago, a meteor hitted the ground, and the dinosaurs have gone extinct. Where did Stegosaurus live? During the Mesozoic Era (a period of more than 180 million years that included the Triassic, Jurassic, and Cretaceous periods), a species of non-avian dinosaur evolved into a species of avian dinosaur. . If all of Earth time from the very beginning of the dinosaurs to today were compressed into 365 days (one calendar year), the dinosaurs appeared January 1 and became extinct the third week of September. a) True b) False 3) What did stegosaurus use to protect itself from predators? The very first fossils of this dinosaur were obtained in Colorado. No, Stegosaurus Didn't Have a Second Brain Above its Butt. That Myth Needs to Go Extinct. The dodos were unable to survive due to . When did T Rex go extinct? The tail, therefore, ended as a double pair of spikes. After the Flood, around 4,300 years ago, the remnant of the land animals, including dinosaurs, came off the Ark and lived in the present world, along with people.Because of sin, the judgments of the Curse and the Flood have greatly changed earth.Post-Flood climatic change, lack of food, disease, and man's activities caused many types of animals to become extinct. . It was a special find, because most of the . How did the pterodactyl go extinct? The skull and brain were very small for such a . 13. When did stegosaurus go extinct? Tyrannosaurus Rex did not prey on Stegosaurus. Today is the anniversary of the dinosaur exhibit at the museum! No, Stegosaurus had been extinct for about 80 million years by the time the first Tyrannosaurus appeared. Because the birds had no natural predators, they were unconcerned about people. That Myth Needs to Go Extinct. . Take a look at a petrified stegosaurus, for instance, to discover why: The colossal animals grew to be 30 feet long, 14 feet tall and clad in armored plates and spikes for protection. To be fair, the spinal columns of certain dinos—such as Stegosaurus . The skeleton was discovered in 2003 by professional fossil hunter Bob Simon, who was digging at a site called Red Canyon Ranch in Wyoming. The triumphant reign of pterosaurs ended with this giant flier. Another is just competition: Ankylosaurs, Ornithopods, and Macronarian sauropods (brachiosaurs and titanosaurs) were successful while diplodocids and stegosaurs declined. It was a special find, because most of the . We've applied it to 'Sophie' the Stegosaurus, an exceptionally complete dinosaur fossil that has occupied the majority of my time at the NHM over the last year. Take for instance how it was believed that the plates of Stegosaurus "sapped their vigour" and were signals that Stegosaurus was about to go extinct. They've become a symbol of extinction caused by human actions. Other than birds, however, there is no scientific evidence that any dinosaurs, such as Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, or Triceratops, are still alive. Stegosaurus was a large, plant-eating dinosaur that lived during the late Jurassic Period, about 150.8 million to . (Check all that apply) a) sharp teeth b) spiky tail c) armored plates d) martial arts 4) When did dinosaurs go extinct? All Stegosaurus went extinct about 150 million years ago. Especially when you see one near you. Answer (1 of 7): Well the easiest and most fun answer to the question would be.. "Very Carefully" The subject does give pause to think if the plates on the back of the animal were fixed or could they fold down in some way. This is the best known species of Stegosaurus, mainly because its fossils make at least one complete skeleton. In what is now the United States, Allosaurus was the largest common predator dinosaur. This Stegosaurus lived about 150 million years ago during a time in Earth's history called the Jurassic Period. Dinosaurs went extinct about 65 million years ago (at the end of the Cretaceous Period), after living on Earth for about 165 million years. The triumphant reign of pterosaurs ended with this giant flier. dinosaurs only to go extinct in the early days of the Cretaceous—about 115 million years ago—and . Is a. It would have lived in present-day Wyoming, USA. a) 1,000 years ago b) 1 million years ago c) 65 million years ago d) I saw one yesterday 5) Who came up with the term "dinosaur"? Goodness . All non-avian dinosaurs where wiped out at the end of the Cretaceous so there are no surviving relatives of the Stegosaurus unfortunately. 'roof-lizard') is a genus of herbivorous, four-legged, armored dinosaur from the Late Jurassic, characterized by the distinctive kite-shaped upright plates along their backs and spikes on their tails. No, Stegosaurus Didn't Have a Second Brain Above its Butt. This illustration shows one of the few ground-dwelling birds that survived the . These, and all other non-avian dinosaurs became extinct at least 65 million years ago at the end of the Cretaceous Period. There are many things we can learn from the dodo bird. About 70% of all animal life on earth died out. Where did Stegosaurus live? Stegosaurus, (genus Stegosaurus), one of the various plated dinosaurs (Stegosauria) of the Late Jurassic Period (159 million to 144 million years ago) recognizable by its spiked tail and series of large triangular bony plates along the back. March 10, 2021 by Tom. But people can still see them in museums, events, and other places. That Myth Needs to Go Extinct. It would have lived in present-day Wyoming, USA. Other than birds, however, there is no scientific evidence that any dinosaurs, such as Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, or Triceratops, are still alive. Stegosaurus, (genus Stegosaurus), one of the various plated dinosaurs (Stegosauria) of the Late Jurassic Period (159 million to 144 million years ago) recognizable by its spiked tail and series of large triangular bony plates along the back. Most dinosaurs became extinct 65 million years ago. Stegosaurus stenops: Named by Marsh in 1887, it was discovered near Cañon City, Colorado, in 1886. Stegosaurus was a large, plant-eating dinosaur that lived during the late Jurassic Period, about 150.8 million to . It is possible that the extinction of this remarkable dinosaur was made by gradual changes in the environment that led to the species extinction. How did the pterodactyl go extinct? Dinosaurs became extinct about 65 million years ago at the end of the cretaceous period (see what cretaceous dinosaurs were around at this time). It had two rows of bony plates along the length of its body and was the size of a bus! Allosaurus was a large carnivorous biped of the dinosaur era, which had a very large head, which was balanced only by his very long, very heavy tail. At the time, the infamous Bone Wars scientist had relatively little of the dinosaur's skeleton to investigate and. Thus, 100% of Stegosaurus and Stegosauria are extinct. The skeleton was discovered in 2003 by professional fossil hunter Bob Simon, who was digging at a site called Red Canyon Ranch in Wyoming. The Stegosaurus was an enormous dinosaur found during the Late Jurassic Period, approximately 150.8-155.7 million years ago. The last known Cretaceous stegosaur, was Wuerhosaurus because stegosaurs were slow evolvers not much of the appearance had changed which to be a disadvantage against more developed theropods dinosaurs, and . Stegosaurus is from the Jurassic Period, but Tyrannosaurus is from the Cretaceous Period. Stegosaurus (/ ˌ s t ɛ ɡ ə ˈ s ɔːr ə s /; lit. This avian dinosaur is the first bird and the forerunner of . Because the birds had no natural predators, they were unconcerned about people. Stegosaurus typically weighed between 11,700-15,400 lb (5.3-7 metric tons). The dodos were unable to survive due to .