Vocabulary Entry

cretaceous

|adjective • noun

adjective

Relating to the last period of the Mesozoic era, which lasted from about 145 to 66 million years ago.

Example Sentences

"The Cretaceous period is known for the abundance of dinosaurs."

"Fossils from the Cretaceous era provide valuable insights into prehistoric life."

"Scientists study the Cretaceous deposits to understand Earth's geological history."

noun

Example Sentences

"The Cretaceous is characterized by significant evolutionary advances in flora and fauna."

"During the Cretaceous, the continents were positioned differently than today."

"The extinction event at the end of the Cretaceous period led to the decline of the dinosaurs."