Entity: CRETACEOUS
The Cretaceous period was the last period of the Mesozoic era, characterized by the dominance of reptiles, emergence of angiosperms, diversification of mammals, and the extinction of many organisms. It is known for its chalk deposits and spanned from around 144 to 65 million years ago.
CRETACEOUS
Etymology
The name 'Cretaceous' is derived from the Latin word 'creta,' meaning chalk, due to the extensive chalk beds found in Western Europe.
Definition
The Cretaceous period refers to a geological period between around 144 and 65 million years ago, characterized by specific flora and fauna.
Historical Context
The Cretaceous period was the last period of the Mesozoic era, known for the dominance of reptiles, emergence of angiosperms, diversification of mammals, and significant extinction events.
Cultural Significance
The chalk deposits from the Cretaceous period have provided valuable insights into Earth's history and evolution.
Related Concepts
The Cretaceous period is followed by the Paleogene period and preceded by the Jurassic period in the Mesozoic era.
See Also
- Mesozoic era
- Jurassic period
- Paleogene period
A geological period between around 144 and 65 million years ago, marked by the dominance of reptiles, emergence of angiosperms, and extinction events.