cretaceous

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Pronunciation

/kɹəˈteɪ.ʃəs/

Definition of cretaceous

3 senses · 2 parts of speech · etymology included

name

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

“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).”

See all 3 definitions

name

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

“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).”

adj

Definitions from Wiktionary, CC BY-SA.

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