Cretaceous - Wikipedia
The Cretaceous (IPA: / krɪˈteɪʃəs / krih-TAY-shəss) [2] is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the ninth and longest geological period of …
The Cretaceous Period - University of California Museum of …
Ammonites, belemnites, other molluscs, and fish were hunted by great "marine reptiles," and pterosaurs and birds flapped and soared in the air above. Yet the Cretaceous saw the first appearance of many lifeforms that would go on to play key roles in the coming Cenozoic world.
Cretaceous Period | Definition, Climate, Dinosaurs, & Map
Oct 18, 2024 · Cretaceous Period, in geologic time, the last of the three periods of the Mesozoic Era. It began 145 million years ago and ended 66 million years ago and featured the extinction of the dinosaurs at the end of the period.
Cretaceous Period Facts and Information | National Geographic
Cretaceous Period. During this period, oceans formed as land shifted and broke out of one big supercontinent into smaller ones. 3 min read. Continents were on the move in the Cretaceous, busy...
Cretaceous中文(简体)翻译：剑桥词典 - Cambridge Dictionary
Cretaceous. adjective. geology specialized uk / krɪˈteɪ.ʃəs / us / krɪˈteɪ.ʃəs /. Add to word list. from or referring to the period of time between around 144 and 65 million years ago, in which plants with flowers first appeared. 白垩纪的;来自白垩的（白垩纪为距今约1.44亿年至0.65亿年前的地质时 …
Cretaceous - Simple English Wikipedia, the free encyclopedia
Cretaceous. The impressive skull of a mosasaur, a giant marine reptile of the Cretaceous. The Cretaceous period is the ninth and longest period in the Phanerozoic eon, lasting 80 million years from 145 to 65 million years ago (mya). It followed the Jurassic period, and is the third and last period of the Mesozoic era.
What was the Cretaceous Period like? - Natural History Museum
The Cretaceous Period lasted for nearly 80 million years. Discover what the climate was like in this geological period, where the continents were and what animals and plants lived on them. Find out how an asteroid ended the age of dinosaurs.
Cretaceous Period - Mesozoic, Paleogene, Cenozoic | Britannica
Oct 18, 2024 · Cretaceous Period - Mesozoic, Paleogene, Cenozoic: The rocks that were either deposited or formed during the Cretaceous Period make up the Cretaceous System. The Cretaceous System is divided into two rock series, Lower and Upper, which correspond to units of time known as the Early Cretaceous Epoch (145 million to 100.5 million years ago) and ...
Cretaceous - Wikiwand
The Cretaceous is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as...
Cretaceous中文(繁体)翻译：剑桥词典 - Cambridge Dictionary
Cretaceous. adjective. geology specialized uk / krəˈteɪ.ʃəs / us / krəˈteɪ.ʃəs /. from or referring to the period of time between around 144 and 65 million years ago, in which plants with flowers first appeared. 白堊紀的；來自白堊紀的（白堊紀為距今約1.44億年至6500萬年前的地質時期，有花植 …