Cretaceous

Definitions

The geologic period within the Mesozoic era that comprises lower and upper epochs from about 146 to 66 million years ago.

Equivalents

Examples

“As with the Lejeuneaceae, this pattern of massive speciation appears to be correlated with the Cretaceous explosion of the angiosperms and the simultaneous creation of a host⟳ of new microenvironments, differing in humidity, light⟳ intensity, texture, etc.”

“Fossils are particularly well described from the Carboniferous, Triassic, Jurassic and Cretaceous periods and have⟳ been found in the USA, England, Russia, Lebanon and Germany. Sites such as Lyme Regis in Dorset have⟳ particularly yielded number⟳ of Jurassic “squid” ink sacs and nodules (Doguzhaeva et al. 2004).”

CEFR level