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Most Stegosaurus fossils come from the Morrison Formation in the western USA. Some states that have revealed Stegosaurus remains include Wyoming, Colorado, and Utah. In 2006 it was announced that Stegosaurus had just been found in Portugal.
how big they were and how they lived
Alive today - no. As fossils and mummified remains - yes.
Alive today - no. As fossils and mummified remains - yes.
Most Stegosaurus fossils come from the Morrison Formation in the western USA. Some states that have revealed Stegosaurus remains include Wyoming, Colorado, and Utah. In 2006 it was announced that Stegosaurus had just been found in Portugal.
Stegosaurus fossils actually date to between 155 and 150 million years ago. Using various methods, paleontologists are able to determine the age of rocks. Then they know that fossils in those rocks are the same age as the rocks. In the case of Stegosaurus, they know the rocks are between 155 and 150 million years old, and they know the Stegosaurus fossils are the same age.
Othniel Charles Marsh discovered Stegosaurus in 1877. The fossil was found in Morrison, Colorado.
Most Stegosaurus fossils come from the Morrison Formation in the western USA. Some states that have revealed Stegosaurus remains include Wyoming, Colorado, and Utah. In 2006 it was announced that Stegosaurus had just been found in Portugal.
Stegosaurus probably lived throughout most of the contiguous USA. However, its fossils are only known from Colorado, Wyoming, and Utah.
Othniel Charles Marsh discovered Stegosaurus in the year 1877 in Morrison, Colorado. In 2006, Stegosaurus fossils were discovered in Portugal.
Stegosaurus fossils date from about 155 to 150 million years ago. That was during the Kimmeridgian and Tithonian stages of the Jurassic period. Brachiosaurus fossils date to between 154 and 153 million years ago.
Othniel Charles Marsh discovered Stegosaurus near the town of Morrison, Colorado in 1877. Since then, Stegosaurus fossils have been found in the Morrison Formation in Wyoming, Colorado, and Utah. In 2006, it was announced that Stegosaurus had also been discovered in Portugal.