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Where are the fossils of the dinosaur apatosaurus found?
All known Apatosaurus fossils have been found in the Morrison Formation of the western USA. Fossils are known from Colorado, Wyoming, Oklahoma, and Utah.
When did apatosaurus appear?
The youngest known fossils of Apatosaurus date to 150 million years ago. Thus, Apatosaurus probably died out around 150 million years ago.
How many years did apatosaurus exist?
Apatosaurus fossils date to between 154 and 150 million years ago. That means they existed for about 4 million years.
What period did the apatosaurus lived?
Apatosaurus fossils date to between 154 and 150 million years ago. This was during the Kimmeridgian and Tithonian stages of the Jurassic period.
When did the brontasaurus first roam earth?
Brontosaurus is actually an invalid name for Apatosaurus excelsus. The oldest known Apatosaurus excelsus fossils are 154 million years old.
Where was brontosaurus bones found?
All known Apatosaurus fossils have been found in the Morrison Formation of the western USA. Fossils are known from Colorado, Wyoming, Oklahoma, and Utah.
What time period did apatosaurus lived?
Brontosaurus is an invalid name for Apatosaurus excelsus. Apatosaurus excelsus fossils date to between 154 and 151 million years ago. This was during the Kimmeridgian and Tithonian stages of the Jurassic period.
What happpend to the Apatosaurus?
Apatosaurus fossils date to between 154 and 150 million years ago. After that, they disappear from the fossil record, so it is safe to say they probably died out around 150 million years ago.
How long ago did the brontosaurus live?
Brontosaurus is an invalid name for Apatosaurus excelsus. Apatosaurus excelsus fossils date to between 154 and 151 million years ago. This was during the Kimmeridgian and Tithonian stages of the Jurassic period.
What country did apatosaurus live in?
Apatosaurus fossils come from the Morrison Formation of western North America and date to between 154 and 150 million years ago. At that time, the area was a semi-arid subtropical plain with distinct wet and dry seasons. Near rivers, there were forests of conifers, cycads, ginkgoes, ferns, and horsetails. Further from the rivers there were open areas covered in ferns with scattered trees.
What species is an apatosaurus?
There are four accepted species of Apatosaurus. They are Apatosaurus ajax, Apatosaurus excelsus, Apatosaurus louisae, and Apatosaurus parvus.
Where did brontosaurus live?
Brontosaurus is an invalid name for Apatosaurus excelsus. Apatosaurus fossils come from the Morrison Formation of western North America and date to between 154 and 150 million years ago. At that time, the area was a semi-arid subtropical plain with distinct wet and dry seasons. Near rivers, there were forests of conifers, cycads, ginkgoes, ferns, and horsetails. Further from the rivers there were open areas covered in ferns with scattered trees.
