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silurian period

/sɪˈljʊəriən ˈpɪəriəd/

翻译: 古生代的第三个纪,约开始于4.43亿年前,结束于4.19亿年前;以无颌鱼类繁盛、最早陆生植物出现和珊瑚礁形成为特征。

1 个条目

phrase

/sɪˈljʊəriən ˈpɪəriəd/C1formalscientific
  • zh古生代的第三个纪,约开始于4.43亿年前,结束于4.19亿年前;以无颌鱼类繁盛、最早陆生植物出现和珊瑚礁形成为特征。

A geological time period that occurred approximately 443 to 419 million years ago, known for the diversification of jawless fish, the first land plants, and the formation of coral reefs.

  1. Geological time periodC2formal

    A geological period that lasted from about 443 to 419 million years ago, part of the Paleozoic Era, known for the diversification of fish and the first land plants.

    zh志留纪

    • The Silurian Period saw the appearance of the first jawed fish.
    • Coral reefs expanded significantly during the Silurian Period.
    • Fossils from the Silurian Period are found in many parts of the world.