Cretaceous
Geologic period
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The Cretaceous is a geological period that lasted from about 145 to 66 million years ago. It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of the entire... Wikipedia
Era: Mesozoic
Occurred: 145.5 million years ago - 66 million years ago
Epochs: Early Cretaceous and Late Cretaceous
Fossils: Yoshi's Trike, BMNHC PH881, CMNFV 2869, and more
Chronological unit: Period
Lower boundary definition: Not formally defined
Stratigraphic unit: System