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Devonian    音标拼音: [dɪv'oniən]
n. Devonshire的,泥盆纪

Devonshire的,泥盆纪

Devonian
n 1: from 405 million to 345 million years ago; preponderance of
fishes and appearance of amphibians and ammonites [synonym:
{Devonian}, {Devonian period}, {Age of Fishes}]


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  • Devonian - Wikipedia
    The Devonian saw significant expansion in the diversity of nektonic marine life driven by the abundance of planktonic microorganisms in the free water column as well as high ecological competition in benthic habitats, which were extremely saturated; this diversification has been labeled the Devonian Nekton Revolution by many researchers [47]
  • Devonian Period | Definition, Climate, Animals, Plants, Timeline, Map . . .
    Devonian Period, in geologic time, an interval of the Paleozoic Era that follows the Silurian Period and precedes the Carboniferous Period, spanning between about 419 2 million and 358 9 million years ago
  • Devonian Period | Natural History Museum
    The Devonian saw major evolutionary advancements by fishes with diversification and dominance in both marine and fresh water environments—the Devonian is also known as the “Age of Fishes ”
  • Devonian Period—419. 2 to 358. 9 MYA - U. S. National Park Service
    Along with the Silurian, the Devonian Period is called the “Age of Fishes ” However, plant, invertebrate, and other vertebrate lifeforms also experienced major changes in the Devonian
  • The Devonian Period - University of California Museum of Paleontology
    During the Devonian, two major animal groups colonized the land The first tetrapods land-living vertebrates appeared during the Devonian, as did the first terrestrial arthropods, including wingless insects and the earliest arachnids
  • Bony Beginnings: The Rise of Vertebrate Innovation in the Devonian
    The Devonian period, spanning around 60 3 million years and representing just 1 3 percent of Earth’s geological history, was a time of profound evolutionary change that fundamentally shaped the course of life on our planet
  • Devonian - New World Encyclopedia
    The Devonian period is the fourth of 6 periods making up the Paleozoic era within the Phanerozoic eon, which includes the present time The Devonian period lies between the Silurian and the Carboniferous periods
  • Devonian Period: Climate, Animals Plants - Live Science
    The Devonian Period occurred from 416 million to 358 million years ago It is often known as the “Age of Fishes "
  • Devonian Period - an overview | ScienceDirect Topics
    The Devonian is sometimes known as “the Age of Fishes” due to the enormous diversity of fish during that period Most fish groups did poorly during the Late Devonian, which marked the complete extinction of the jawless, armored forms as all nine of their families disappeared
  • Devonian Period and Prehistoric Information - National Geographic
    Red-colored sediments, generated when North America collided with Europe, give the Devonian its name, as these distinguishing rocks were first studied in Devon, England The Devonian, part of





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