The Early Cretaceous is the first part of the Cretaceous time period.

About the Period=

During the Early Cretaceous the first flowers grew. The first carcharodontosaurids such as Concavenator replaced their relatives such as Allosaurus. Despite this tyrannosauroids were still small although some such as Yutyrannus grew sizes up to 30 feet. Mammals began growing even more bigger. Except for Wuerhosaurus, stegosaurs like Stegosaurus got Extinct. Icthyosaurs got Extinct too since Sharks began eating the food they ate. Only 1 ichthyosaur Species was left in the period leaving no more left in the planet later.

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