Cretaceous Period - Search
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  1. Etymology and history

    The Cretaceous as a separate period was first defined by Belgian geologist Jean d'Omalius d'Halloy in 1822 as the … See more

    Cretaceous - Wikipedia

    • The Cretaceous is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the ninth and longest geological period of the entire Phanerozoic. The name is derived from the Latin creta, 'chalk', which is abundant in the latter half of the … See more

    Name formalityFormal
    Celestial bodyEarth
    Regional usageGlobal (ICS)
    Time scale(s) usedICS Time Scale
    Geology

    The Cretaceous is divided into Early and Late Cretaceous epochs, or Lower and Upper Cretaceous series. In older literature, the Cretaceous is sometimes divided into three series: Neocomian (lower/early), Gallic (middle) and … See more

    Paleogeography

    During the Cretaceous, the late-Paleozoic-to-early-Mesozoic supercontinent of Pangaea completed its tectonic breakup into the present-day continents, although their positions were substantially different at the time. As the … See more

     
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  2. The Cretaceous (IPA: / krɪˈteɪʃəs / krih-TAY-shəss) [2] is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest.
    en.wikipedia.org/wiki/Cretaceous
    The Cretaceous began 145.0 million years ago and ended 66 million years ago; it followed the Jurassic Period and was succeeded by the Paleogene Period (the first of the two periods into which the Tertiary Period was divided). The Cretaceous is the longest period of the Phanerozoic Eon.
    www.britannica.com/science/Cretaceous-Period
    The Cretaceous is defined as the period between 145.5 and 65.5 million years ago,* the last period of the Mesozoic Era, following the Jurassic and ending with the extinction of the dinosaurs (except birds).
    ucmp.berkeley.edu/mesozoic/cretaceous/cretaceo…
    The Cretaceous Period was the last of three geologic time periods in the Mesozoic Era. The Cretaceous began approximately 145 million years ago at the end of the Jurassic Period and ended about 66 million years ago. The Cretaceous was succeeded by the Paleogene Period of the Cenozoic Era.
    kids.britannica.com/students/article/Cretaceous-Pe…
     
  3. Cretaceous Period | Definition, Climate, Dinosaurs,

    4 days ago · Cretaceous Period, in geologic time, the last of the three periods of the Mesozoic Era. It began 145 million years ago and ended 66 million years ago and featured the extinction of the dinosaurs at the end of the period.

     
  4. Cretaceous period: Animals, plants and extinction event

  5. The Cretaceous Period: What was Earth like before dinosaurs …

  6. Cretaceous Period Facts and Information - National …

    Continents were on the move in the Cretaceous, busy remodeling the shape and tone of life on Earth. At the start of the period, dinosaurs ruled the loosening remnants of the supercontinent...

  7. Cretaceous Period - Dinosaurs, Plants, Marine Life

    4 days ago · Cretaceous Period - Dinosaurs, Plants, Marine Life: Although the fossil record is irregular in quality and quantity for the Early Cretaceous, it is obvious that dinosaurs continued their lengthy dominance of the land. The …

  8. Cretaceous Period—145.0 to 66.0 MYA - U.S.

    Apr 27, 2023 · Learn about the Cretaceous Period, a time of flowering plants, chalk deposits, and mass extinction. Explore national parks with Cretaceous rocks and fossils, such as Badlands, Big Bend, and Denali.

  9. Cretaceous Period - Mesozoic, Paleogene, Cenozoic

    Nov 7, 2024 · Cretaceous Period - Mesozoic, Paleogene, Cenozoic: The rocks that were either deposited or formed during the Cretaceous Period make up the Cretaceous System. The Cretaceous System is divided into two rock series, …

  10. Cretaceous Period - Students | Britannica Kids

    The Cretaceous Period was the last of three geologic time periods in the Mesozoic Era. The Cretaceous began approximately 145 million years ago at the end of the Jurassic Period and ended about 66 million years ago. The …

  11. The Cretaceous Period Facts & Info For Kids

    Nov 13, 2018 · The Cretaceous Period is a period of time in the geologic timescale (see below). It began 145 million years ago (Mya) and ended 66 Mya. It lasted for 79 million years, making it the longest period of the Mesozoic Era.

  12. The Cretaceous Period - University of California Museum of …

  13. Cretaceous Period - Natural History Museum

  14. Cretaceous Period - Geology Page

  15. Cretaceous Period - Climate, Extinction, Dinosaurs | Britannica

  16. The Cretaceous Period: Major Events, Animals, and When It Lasted

  17. The Triassic, Jurassic, and Cretaceous Periods - ThoughtCo

  18. Cretaceous Period | AMNH

  19. Cretaceous Period Dinosaurs. List Of Dinosaurs Of The

  20. Cretaceous Period summary | Britannica

  21. Cretaceous Period - ScienceViews.com

  22. Muttaburrasaurus |The Fascinating Cretaceous Herbivore