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∙ 13y agoWiki User
∙ 14y agoFor the better part of the mesozoic era, lasting about 180 million years.
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∙ 12y agoa long time ago :]
Wiki User
∙ 10y ago208 to 144 million years ago
Tell Me The Tales That To Me Were So Dear Long Long Ago Long Long Ago Sing Me The Song I Delighted To Hear Long Long Ago Long Ago Now You Are Come My Grief Is Done Let Me Forget How Love Has Won Let Me Believe That You Love As You Loved Long Long Ago Long Ago
It is about 251 million years ago
About 540 million years ago.
a long time ago
a very long time ago
The Allosaurus lived 150 million years ago. That was during the Jurassic period. The Jurassic period was part of the Mesozoic era.
Late Jurassic 161-145 million years ago.
Early Jurassic (190 million years ago)
The Jurassic Period of geologic time spanned from 206 to 144 million years ago. It was preceded by the Triassic Period and followed by the Cretaceous Period, all three comprising the Mesozoic Era.
Apatosaurus excelsus existed from about 154 to 151 million years ago. This was during the Kimmeridgian and Tithonian stage of the Jurassic period. The Jurassic period was during the Mesozoic era.
The Jurassic Period is defined as the period of time between 200 million years ago to 145 million years ago.
Pterodactylus lived between 150.8 and 148.5 million years ago. This was during the Jurassic period of the Mesozoic era.
The Jurassic period took place before the Cretaceous era and after the Triassic era. It started around 199 million years ago and ended about 44 millions years later. (145 million years ago if you can't do the maths).
The Jurassic period was the middle period of the Mesozoic era. It began at the end of the Triassic 199 million years ago. It ended at the beginning of the Cretaceous, 145 million years ago.
a long time ago :]
The Jurassic period took place before the Cretaceous era and after the Triassic era. It started around 199 million years ago and ended about 44 millions years later. (145 million years ago if you can't do the maths).
The Jurassic Period lasted from 200 to 145 million years ago.