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The Mesozoic is an era in earth's geological history running from about 251 million years ago to about 65 million years ago, and most famous for being the era of the [[dinosaur]]s. It is divided into three periods, the [[Triassic]], the [[Jurassic]], and the [[Cretaceous]].

The Mesozoic [[period (geology)|period]] is part of the [[geologic system]] of classifying geologic formations.

 

Under the uniformitarian dates assigned by secular [[geologist]]s, it represents approximately the period of Earth's history from 251 million years ago to 65 million years ago.<ref>Gradstein, F.M., and Ogg, J.G.,[http://www.stratigraphy.org/scale04.pdf Geologic Time Scale 2004 – Why, How, and Where Next!]</ref>  Under this timetable, it is most famous for being the era of the [[dinosaur]]s.

 

The Mesozoic is divided into three periods, the [[Triassic]], the [[Jurassic]], and the [[Cretaceous]].