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Permian    音標拼音: [p'ɚmiən]
a. 二疊紀的
n. 二疊紀

二疊紀的二疊紀

Permian
n 1: from 280 million to 230 million years ago; reptiles [synonym:
{Permian}, {Permian period}]

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英文字典中文字典相關資料:
  • Permian - Wikipedia
    The Permian ( ˈpɜːrmi ən PUR-mee-ən) [4] is a geologic period and stratigraphic system which spans 47 million years, from the end of the Carboniferous Period 298 9 Ma (million years ago) to the beginning of the Triassic Period 251 902 Ma
  • Permian Period | Plants, Animals, Extinction, Facts - Britannica
    Permian Period, in geologic time, the last period of the Paleozoic Era The Permian Period began 298 9 million years ago and ended 252 2 million years ago, extending from the close of the Carboniferous Period to the outset of the Triassic Period
  • Permian Period—298. 9 to 251. 9 MYA (U. S. National Park Service)
    During the Permian Period, Earth’s crustal plates formed a single, massive continent called Pangaea In the correspondingly large ocean, Panthalassa, marine organisms such as brachiopods, gastropods, cephalopods (nautiloids and ammonoids), and crinoids were present
  • Home - Permian Resources
    Permian Resources is an independent oil natural gas company focused on generating outsized returns through the acquisition, optimization development of oil liquids-rich natural gas assets
  • The Permian Period and Extinction - National Geographic
    The Permian period, which ended in the largest mass extinction the Earth has ever known, began about 299 million years ago
  • Permian Period | Natural History Museum
    Most major groups of terrestrial vertebrates were present in the Permian A wide variety of amphibians lived on land and in fresh water, including the giant carnivorous Eryops as well as large herbivores
  • The Permian Period
    The Permian period lasted from 299 to 251 million years ago* and was the last period of the Paleozoic Era The distinction between the Paleozoic and the Mesozoic is made at the end of the Permian in recognition of the largest mass extinction recorded in the history of life on Earth
  • Permian - New World Encyclopedia
    The first modern trees (conifers, ginkgos, and cycads) appeared in the Permian The Permian began with the Carboniferous flora still flourishing
  • The Permian Extinction—When Life Nearly Came to an End
    Written by Hillel J Hoffman, the article offers insights into the author’s interactions with paleontologists and scientists while exploring the Black Triangle and Karoo regions The primary goal is to uncover a deeper understanding of the Permian extinction and its subsequent consequences
  • Permian Period: what it is, division and characteristics
    The Permian is the last period of the Paleozoic Era, which spanned from 540 to 248 million years ago The Permian Period succeeds the Carboniferous and precedes the Triassic Period of the Mesozoic Era





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