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  1. The Phanerozoic eon is the current eon on the geologic timescale. It is the one in which abundant animal life has existed. It covers about 541 million years, and goes back to the time when hard-shelled animals first appeared.

    Phanerozoic - Simple English Wikipedia, t…

    simple.wikipedia.org/wiki/Phanerozoic
    The Phanerozoic[4] is the current and the latest of the four geologic eons in the Earth 's geologic time scale, covering the time period from 538.8 million years ago to the present. [5]

    Phanerozoic - Wikipedia

    en.wikipedia.org/wiki/Phanerozoic
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    What is a Phanerozoic eon?
    The Phanerozoic is the current and the latest of the four geologic eons in the Earth 's geologic time scale, covering the time period from 538.8 million years ago to the present.

    Phanerozoic - Wikipedia

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    What is a Phanerozoic era?
    In the older literature, the term Phanerozoic is generally used as a label for the time period of interest to paleontologists. The term seems to be falling into disuse in more modern literature with greater emphasis being placed on the eon's three basic divisions, the Paleozoic era, the Mesozoic era, and the Cenozoic era.

    Phanerozoic | New World Encyclopedia

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    How long did the Phanerozoic eon last?
    They write new content and verify and edit content received from contributors. Phanerozoic Eon, the span of geologic time extending about 541 million years from the end of the Proterozoic Eon (which began about 2.5 billion years ago) to the present.

    Phanerozoic Eon | Paleozoic, Mesozoic & Cenozoic | Britannica

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    Which Eon precedes the Phanerozoic and Proterozoic?
    Preceding the Phanerozoic eon is the Proterozoic eon, with the boundary between the two eons being determined by the "sudden" appearance in the fossil record of a majority of the skeleton-bearing phyla of animals.

    Phanerozoic | New World Encyclopedia

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    What eons were there before the Phanerozoic?
    The time before the Phanerozoic, collectively called the Precambrian, is now divided into the Hadean, Archaean and Proterozoic eons.

    Phanerozoic - Wikipedia

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    What is the difference between Paleozoic and Phanerozoic?
    The Phanerozoic began 570 million years ago and continues today. The Paleozoic was a time of four marine transgressions and regressions, which left characteristic sedimentary facies. An orogeny is a mountain building event that takes place when a continent runs into another continent, a microcontinent, or a volcanic island arc.

    Phanerozoic Earth History | Earth Science - Lumen Learning

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    https://en.wikipedia.org/wiki/Phanerozoic

    Phanerozoic - Wikipedia

    The Phanerozoic is the current and the latest of the four geologic eons in the Earth's geologic time scale, covering the time period from 538.8 million years ago to the present. It is the eon during which abundant animal and plant life has proliferated, diversified and colonized various niches on the Earth's surface, … See more

    Etymology

    The term "Phanerozoic" was coined in 1930 by the American geologist George Halcott Chadwick (1876–1953), deriving from the See more

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    Eras of the Phanerozoic

    The Phanerozoic is divided into three eras: the Paleozoic, Mesozoic and Cenozoic, which are further subdivided into 12 periods. The Paleozoic features the evolution of the three most prominent animal phyla, arthropods, molluscs and chordates See more

    See also

    • Paleoclimatology – Study of changes in ancient climate See more

    Citations

    1. ^ "Phanerozoic". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 6 August 2020. See more

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    Proterozoic–Phanerozoic boundary

    The Proterozoic–Phanerozoic boundary is at 538.8 million years ago. In the 19th century, the boundary was set at time of appearance of the first abundant animal (metazoan) fossils, but trace fossils of several hundred groups (taxa) of complex soft-bodied … See more

    Biodiversity

    It has been demonstrated that changes in biodiversity through the Phanerozoic correlate much better with the hyperbolic model (widely used in See more

    Climate

    Across the Phanerozoic, the dominant driver of long-term climatic change was the concentration of carbon dioxide in the atmosphere, though some studies have suggested a … See more

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  4. Wikipedia
    https://simple.wikipedia.org/wiki/Phanerozoic

    Phanerozoic - Simple English Wikipedia, the free encyclopedia

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  5. Wikipedia
    https://en.wikipedia.org/wiki/Category:Phanerozoic

    Category:Phanerozoic - Wikipedia

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  6. New World Encyclopedia
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    Phanerozoic - New World Encyclopedia

    Phanerozoic is the eon of geologic time from 542 million years ago to the present, marked by the appearance of abundant, macroscopic, hard-shelled fossils. It is divided into three eras: Paleozoic, Mesozoic, and Cenozoic, each …

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    Paleozoic
  8. Britannica
    https://www.britannica.com/science/Phanerozoic-Eon

    Phanerozoic Eon | Paleozoic, Mesozoic & Cenozoic | Britannica

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  9. Encyclopedia.com
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    Phanerozoic - Encyclopedia.com

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  10. Wikipedia
    https://en.wikipedia.org/wiki/Paleozoic

    Paleozoic - Wikipedia

    Paleozoic is the first era of the Phanerozoic Eon, lasting from 538.8 to 251.9 million years ago. It witnessed the Cambrian explosion, the rise of land plants and animals, and the largest extinction event of the Phanerozoic.

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  11. Geosciences LibreTexts
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    8.4: Paleozoic Era - Geosciences LibreTexts

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  12. Lumen Learning
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    Phanerozoic Earth History | Earth Science - Lumen …

    Learn about the Phanerozoic, the recent history of life on Earth, from 570 million years ago to the present. Explore the Paleozoic, Mesozoic, and Cenozoic eras, and the marine transgressions, regressions, and orogenies that shaped the …

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    Earth science
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    2.6: Phanerozoic Eon - Paleozoic Era - Geosciences …

    Apr 11, 2024 · Learn about the Phanerozoic Eon, the most recent time in Earth's history with abundant fossils, and its subdivision into three eras: Paleozoic, Mesozoic, and Cenozoic. Explore the tectonic and paleogeographic changes, …

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    Mesozoic Era
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