By Sally M. Walker
On most sensible of a mountain in Antarctica, scientists find a 190-million-year-old fossil. it's the first proof came across exhibiting dinosaurs lived in mainland Antarctica. Hunt for fossils and detect what lifestyles could have been like there hundreds of thousands of years in the past.
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Additional resources for The Search for Antarctic Dinosaurs (On My Own Science)
It was the kind of mud that is found near rivers. Near the fossil site, Hammer’s team had found fossilized trees. That meant Cryolophosaurus had lived and died on land near a river and forests. But it’s too cold in that part of Antarctica for modern-day plants to grow. And dinosaurs could not live in very cold places. What did this information tell Hammer? It told him that when dinosaurs roamed the land, Antarctica must have been much warmer. 43 In December 2003 to January 2004, Dr. Hammer’s crew made another exciting Antarctic discovery.
2 (1990): 163–167. , and William J. Hickerson. ” Science 264, no. 5160 (1994): 828–830. Mullen, William. ” Chicago Tribune, January 25, 2004, Metro section. National Geographic. ” October 1994, Geographica section. 48 ROCKS, ICE, AND SNOW. That is all Dr. William Hammer and his crew can see when they look at the land around them on Earth’s coldest continent. But on top of a mountain, the scientists discover a 190million-year-old fossil. It is the remains of the first dinosaur found on mainland Antarctica.
Some of its bones had tooth marks on them. Hammer thinks that after Cryolophosaurus died, other meat-eating dinosaurs ate its body. Their teeth may have broken off while eating. But how did Cryolophosaurus die? Hammer thinks he knows the answer to that too. When his assistant cleaned the Cryolophosaurus skull, he made an exciting discovery. There were two rib bones inside the jaws of Cryolophosaurus. The ribs were far back in its mouth. They belonged to a large plant-eating dinosaur. Hammer thinks Cryolophosaurus may have choked to death while eating it!