When Was the Apatosaurus Live?

Apatosaurus, (genus Apatosaurus), subsumes Brontosaurus, genus of at least two species of giant herbivorous sauropod

sauropod
Sauropods first evolved in the Early Jurassic Epoch (201 million to 174 million years ago). They became gigantic and highly diverse in the Late Jurassic Epoch (about 164 million to 145 million years ago) and persisted into the Cretaceous Period (145 million to 66 million years ago).
dinosaurs that lived between about 156 million and 151 million years ago, during the late Jurassic Period. Its fossil remains are found in North America and Europe.

Where did Apatosaurus lived?

Apatosaurus lived in the Late Jurassic (approximately 155-145 million years ago) in North America. The bones of Apatosaurus have been collected from Wyoming, Utah, Colorado, and Oklahoma. Apatosaurus grew far larger than any land animal alive today, measuring 21 metres long, 6 metres high and weighing 25 tonnes.

Where was the first Apatosaurus found?

The first Apatosaurus bones were discovered by Edward Drinker Cope and the name Apatosaurus ajax was coined in 1877 by Cope's rival Othniel Charles Marsh, Professor of Paleontology at Yale University, based on a nearly complete skeleton (holotype, YPM 1860) discovered in the eastern foothills of the Rocky Mountains in ...

David Miller

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