Cretaceous Period
The Cretaceous period is the third of the three divisions of the Mesozoic era of the geologic time scale. The period lasted 79 million years, from 144 million to 65 million years ago...
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Cretaceous Period
Cretaceous is the name given to a period of time in Earth's history (i.e., Cretaceous Period) from 145.6 to 65 million years ago. Also, all the rocks that formed during that t...
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Cretaceous
The Cretaceous, or Cretaceous Period, refers to an interval of geologic time in the Mesozoic Era spanning from approximately 144 million to 66 million years ago. It was during this time per...
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Cretaceous Catastrophe
While mass extinctions of numerous animal species have occurred throughout geologic history, it is the unexplainable disappearance of the great dinosaurs at the end of the Creta...
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