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  1. 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 …

  2. 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.

  3. Cambrian Period—541 to 485.4 MYA - U.S. National Park Service

    Jan 22, 2025 · The Cambrian Period marks an important point in the history of life on Earth; it is the time when many kinds of invertebrates and the first vertebrates—fishes—appeared in the fossil record.

  4. The Cambrian Period

    The Cambrian world was bracketed between two ice ages, one during the late Proterozoic and the other during the Ordovician. During these ice ages, the decrease in global temperature led to mass …

  5. 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...

  6. 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...

  7. 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 …

  8. Cambrian Period | Natural History Museum

    Oct 28, 2012 · 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).

  9. The Cambrian – An Explosion of Life - Davidson Institute of Science ...

    Nov 19, 2022 · During the Cambrian Period, which began about 541 million years ago and ended about 485 million years ago, a sudden wave of rapid increase in the diversity of biological species took …

  10. Cambrian - Energy Education

    The Cambrian was the first geological period of the Paleozoic era, extending from approximately 541.0 million to 485.4 million years ago. It is divided into four epochs: the Furongian, the Miaolingian …