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Paleozoic    音标拼音: [p,eliəz'oɪk]
a. 古生代的
n. 古生代

古生代的古生代

Paleozoic
adj 1: of or relating to or denoting the Paleozoic era
n 1: from 544 million to about 230 million years ago [synonym:
{Paleozoic}, {Paleozoic era}]


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  • Paleozoic - Wikipedia
    The Paleozoic was a time of dramatic geological, climatic, and evolutionary change The Cambrian witnessed the most rapid and widespread diversification of life in Earth's history, known as the Cambrian explosion, in which most modern phyla first appeared
  • Paleozoic Era | Description, Climate, Facts | Britannica
    Paleozoic Era, major interval of geologic time that began 538 8 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history
  • Paleozoic | U. S. Geological Survey - USGS. gov
    Paleozoic (541-252 million years ago) means ‘ancient life ’ The oldest animals on Earth appeared just before the start of this era in the Ediacaran Period, but scientists had not yet discovered them when the geologic timescale was made
  • Paleozoic Era - U. S. National Park Service
    Common Paleozoic fossils include trilobites and cephalopods, as well as insects and ferns The greatest mass extinction in Earth's history ended this era The Paleozoic Era is further divided in to seven periods sub-periods: the Cambrian, the Ordovician, the Silurian, the Devonian, the Mississippian, the Pennsylvanian, the Permian
  • Paleozoic Era | Geology | Research Starters - EBSCO
    The Paleozoic Era, spanning from approximately 544 to 251 million years ago, is the oldest era of the Phanerozoic eon and marks a significant period in Earth's history characterized by diverse and complex life forms
  • The Paleozoic Era
    The Paleozoic took up over half of the Phanerozoic, approximately 300 million years During the Paleozoic there were six major continental land masses; each of these consisted of different parts of the modern continents
  • Paleozoic Era: Facts, Information, and Timeline - A-Z Animals
    Here’s a breakdown of the timeline, facts, and major events that took place during the Paleozoic The Paleozoic Era began about 541 million years ago and lasted till 251 9 million years ago It was the first era of the Phanerozoic Eon and is otherwise known as the “Age of Ancient Life ”
  • Paleozoic Era: Facts Information - Live Science
    The Paleozoic Era, which ran from 541 million to 251 9 million years ago, was a time of great change on Earth The era began with the breakup of one supercontinent and the formation of another
  • Paleozoic Era - an overview | ScienceDirect Topics
    The Paleozoic Era is defined as a geological time period spanning from 542 to 251 million years ago, characterized by the emergence of diverse invertebrate and vertebrate life, the colonization of land by arthropods and primitive plants, and the dominance of various marine species in its seas
  • Paleozoic Era: Diversification of Life (540 to 252 million years ago)
    Paleozoic Era: Diversification of Life The Paleozoic Era is a geologic age that spanned 540 to 252 million years ago In this era, the Earth saw a dramatic change Not only did it see a drastic increase in new species, but it also saw the rise and fall of many different animals and plants





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