Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: Cretaceous period
  1. From 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
    - Cretaceous

Type of: geological period, period

Part of: Age of Reptiles, Mesozoic, Mesozoic era

Encyclopedia: Cretaceous period