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  • Cambrian - Wikipedia
    The Cambrian ( ˈkæmbri ən, ˈkeɪm - KAM-bree-ən, KAYM-) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon [5] The Cambrian lasted 51 95 million years from the end of the preceding Ediacaran period 538 8 Ma (million years ago) to the beginning of the Ordovician Period 486 85 Ma [1]
  • Cambrian Period | Definition, Plants, Animals | Britannica
    Cambrian Period, earliest time division of the Paleozoic Era, extending from 538 8 million to 485 4 million years ago
  • The Cambrian Period
    The Cambrian Period marks an important point in the history of life on Earth; it is the time when most of the major groups of animals first appear in the fossil record
  • Cambrian Period - National Geographic
    Learn more about a time period marked by an intense burst of evolution The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known The Cambrian
  • Cambrian - New World Encyclopedia
    The Cambrian period is divided into three epochs: The Early Cambrian (also Lower Cambrian, Caerfai, or Waucoban), the Middle Cambrian (St Davids or Albertian), and the Late Cambrian or Furongian (also Upper Cambrian, Merioneth, or Croixan)
  • Cambrian - Wikiwand
    The Cambrian is the first geological period of the Paleozoic Era, and the Phanerozoic Eon The Cambrian lasted 51 95 million years from the end of the preceding
  • What Is the Cambrian Explosion and Why Was It So Important?
    The Cambrian Period began approximately 541 million years ago and lasted about 55 million years But the “explosion”—that rapid burst of evolutionary innovation—occurred mostly within the first 20 to 25 million years of the Cambrian, making it extraordinarily fast by geological standards
  • Cambrian Period | Natural History Museum
    The Cambrian* Period begins the Phanerozoic Eon, the last 542 million years during which fossils with hard parts have existed It is the first division of the Paleozoic Era (542Ma -251Ma)




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