Periode Kretaseus. Alioramus Life Restorationjpg 3548 2009. The Cretaceous period is the third of three periods of the Mesozoic Era the middle era of complex multicellular life on the Earth.
Continents were on the move in the Cretaceous busy remodeling the. The most extreme was the earths climate in the Upper Cretaceous Period 86 million years ago which was far warmer than today. The oceans and seas were populated with now extinct marine reptiles ammonites and rudists.
The Cretaceous extinction event is marked by the famous K-T boundary and asteroid impact on what is now the.
The Cretaceous period is the third of three periods of the Mesozoic Era the middle era of complex multicellular life on the Earth. The Cretaceous Period was the last of three geologic time periods in the Mesozoic EraThe Cretaceous began approximately 145 million years ago at the end of the Jurassic Period and ended about 66 million years ago. Media in category Cretaceous. Although the best-known Cretaceous animals were the dinosaurs they werent the only animals around at the time.
