cretaceous period

Noun
  1. From 135 million to 63 million years ago;
    End of the age of reptiles;
    Appearance of modern insects and flowering plants (synset 115151313)
    is an instance of: geological period, period - a unit of geological time during which a system of rocks formed
    is a part of: age of reptiles, mesozoic, mesozoic era - from 230 million to 63 million years ago
    same as: cretaceous

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