Cretaceous

usgb/krɪˈteɪʃəs/
adjective

Relating to the last period of the Mesozoic era, when dinosaurs became extinct.

The dinosaur fossils found were from the cretaceous period.
Visual representation of "cretaceous" - Relating to the last period of the Mesozoic era, when dinosaurs became extinct

Often appears as...

  • cretaceous period
  • cretaceous era

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Academic

Definition 1 of 2
Visual representation of "cretaceous"
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Geological Relevance

Used specifically to describe geological time, environments or fossils.

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Cretaceous sedimentary rocks show distinct characteristics.
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Paleontological Interest

Indicates a key time for dinosaur extinction; crucial for paleontology studies.

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Many Cretaceous fossils provide clues about dinosaur biology.
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Predominant Flora

Marked the emergence of flowering plants, affects discussions on plant evolution.

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The Cretaceous witnessed the rise of angiosperms.
Visual representation of the word "Cretaceous"

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