Definition of Jurassic
a geologic period that occurred over 150 million years ago and is marked by the presence of dinosaurs and the first appearance of birds
Examples of Jurassic in a sentence
During the Jurassic period, humans didn’t exist, and dinosaurs ruled the earth. 🔊
Over 150 million years ago, Jurassic marine animals floated through the seas. 🔊
Jurassic fossils found deep within the earth showed remnants of animals and plants that lived over 160 million years ago. 🔊
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