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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—541 to 485. 4 MYA - U. S. National Park Service 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
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 extinctions
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 - 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
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 - 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 (formerly Series 3), Series 2, and the Terreneuvian (Figure 1) [2]
Cambrian explosion - Wikipedia The "Cambrian explosion" can be viewed as two waves of metazoan expansion into empty niches: first, a coevolutionaryrise in diversity as animals explored niches on the Ediacaran sea floor, followed by a second expansion in the early Cambrian as they became established in the water column [64]
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)