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. The Jurassic period was the second of the three periods in the Mesozoic era.
Brontosaurus is an invalid name for Apatosaurus excelsius. Apatosaurus excelsus existed from about 154 to 151 million years ago. This was during the Kimmeridgian and Tithonian stage of the Jurassic period.
Brachiosaurs were the tallest dinosaurs ever to exist. They lived from the late Jurassic into the early Cretaceous. Both of those periods were part of the Mesozoic era.
we live in modern era.
We live in the Cenozoic era.
We live in the cenozoic era. The Quarternary period. Also in the 5th era.
No, 'cause that's Mysterious Map Marvels mistake.
the modern era
The Cenozoic.
The Cenozoic era.
We live in the Cenozonic Era and the Holocene Epoch.
We live in the Holocene Epoch, of the Quaternary Period, in the Cenozoic Era
neolithic era
The Elizabethan era
The Era Concert Live was created on 2011-01-25.