A scene in China during the Early Cretaceous. Small, feathered dinosaurs and birds were common.The Cretaceous Period ran from 145 to 66 million years ago. The world’s land masses divided up into lots of islands. Cut off from each other by the sea, dinosaurs in different lands began to evolve into different species. The ornithischian (“bird-hipped”) dinosaurs become much more abundant, while most of the Jurassic sauropods died out. One group of sauropods, the titanosaurs, lived on during the Cretaceous Period. They were the largest animals that ever walked the Earth.
The name Cretaceous takes its name from the Latin word for chalk, creta. Large areas of chalk formed during the Cretaceous Period are found in Western Europe.
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